31869747

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 63201600

約数和(自身を除く): 31331853

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 49, 51, 63, 91, 109, 117, 119, 147, 153, 189, 221, 273, 327, 351, 357, 441, 459, 637, 663, 763, 819, 833, 981, 1071, 1323, 1417, 1547, 1853, 1911, 1989, 2289, 2457, 2499, 2943, 3213, 4251, 4641, 5341, 5559, 5733, 5967, 6867, 7497, 9919, 10829, 12753, 12971, 13923, 16023, 16677, 17199, 20601, 22491, 24089, 29757, 32487, 38259, 38913, 41769, 48069, 50031, 69433, 72267, 89271, 90797, 97461, 116739, 144207, 168623, 208299, 216801, 267813, 272391, 292383, 350217, 505869, 624897, 650403, 817173, 1180361, 1517607, 1874691, 2451519, 3541083, 4552821, 10623249, 31869747]

約数ペア:

[(1, 31869747), (3, 10623249), (7, 4552821), (9, 3541083), (13, 2451519), (17, 1874691), (21, 1517607), (27, 1180361), (39, 817173), (49, 650403), (51, 624897), (63, 505869), (91, 350217), (109, 292383), (117, 272391), (119, 267813), (147, 216801), (153, 208299), (189, 168623), (221, 144207), (273, 116739), (327, 97461), (351, 90797), (357, 89271), (441, 72267), (459, 69433), (637, 50031), (663, 48069), (763, 41769), (819, 38913), (833, 38259), (981, 32487), (1071, 29757), (1323, 24089), (1417, 22491), (1547, 20601), (1853, 17199), (1911, 16677), (1989, 16023), (2289, 13923), (2457, 12971), (2499, 12753), (2943, 10829), (3213, 9919), (4251, 7497), (4641, 6867), (5341, 5967), (5559, 5733)]