213115266

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1461

約数の個数: 128

約数和(自身を含む): 602112000

約数和(自身を除く): 388996734

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 31, 39, 42, 54, 62, 63, 78, 91, 93, 117, 126, 182, 186, 189, 217, 234, 273, 279, 351, 378, 403, 434, 546, 558, 651, 702, 806, 819, 837, 1209, 1302, 1399, 1638, 1674, 1953, 2418, 2457, 2798, 2821, 3627, 3906, 4197, 4914, 5642, 5859, 7254, 8394, 8463, 9793, 10881, 11718, 12591, 16926, 18187, 19586, 21762, 25182, 25389, 29379, 36374, 37773, 43369, 50778, 54561, 58758, 75546, 76167, 86738, 88137, 109122, 127309, 130107, 152334, 163683, 176274, 254618, 260214, 264411, 303583, 327366, 381927, 390321, 491049, 528822, 563797, 607166, 763854, 780642, 910749, 982098, 1127594, 1145781, 1170963, 1691391, 1821498, 2291562, 2341926, 2732247, 3382782, 3437343, 3946579, 5074173, 5464494, 6874686, 7893158, 8196741, 10148346, 11839737, 15222519, 16393482, 23679474, 30445038, 35519211, 71038422, 106557633, 213115266]

約数ペア:

[(1, 213115266), (2, 106557633), (3, 71038422), (6, 35519211), (7, 30445038), (9, 23679474), (13, 16393482), (14, 15222519), (18, 11839737), (21, 10148346), (26, 8196741), (27, 7893158), (31, 6874686), (39, 5464494), (42, 5074173), (54, 3946579), (62, 3437343), (63, 3382782), (78, 2732247), (91, 2341926), (93, 2291562), (117, 1821498), (126, 1691391), (182, 1170963), (186, 1145781), (189, 1127594), (217, 982098), (234, 910749), (273, 780642), (279, 763854), (351, 607166), (378, 563797), (403, 528822), (434, 491049), (546, 390321), (558, 381927), (651, 327366), (702, 303583), (806, 264411), (819, 260214), (837, 254618), (1209, 176274), (1302, 163683), (1399, 152334), (1638, 130107), (1674, 127309), (1953, 109122), (2418, 88137), (2457, 86738), (2798, 76167), (2821, 75546), (3627, 58758), (3906, 54561), (4197, 50778), (4914, 43369), (5642, 37773), (5859, 36374), (7254, 29379), (8394, 25389), (8463, 25182), (9793, 21762), (10881, 19586), (11718, 18187), (12591, 16926)]