1993815999

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{577}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 3462451200

約数和(自身を除く): 1468635201

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 389, 423, 577, 987, 1167, 1269, 1731, 2723, 2961, 3501, 4039, 5193, 8169, 8883, 10503, 12117, 15579, 18283, 24507, 27119, 36351, 54849, 73521, 81357, 109053, 127981, 164547, 189833, 224453, 244071, 383943, 493641, 569499, 673359, 732213, 1151829, 1571171, 1708497, 2020077, 3455487, 4713513, 5125491, 6060231, 10549291, 14140539, 31647873, 42421617, 73845037, 94943619, 221535111, 284830857, 664605333, 1993815999]

約数ペア:

[(1, 1993815999), (3, 664605333), (7, 284830857), (9, 221535111), (21, 94943619), (27, 73845037), (47, 42421617), (63, 31647873), (141, 14140539), (189, 10549291), (329, 6060231), (389, 5125491), (423, 4713513), (577, 3455487), (987, 2020077), (1167, 1708497), (1269, 1571171), (1731, 1151829), (2723, 732213), (2961, 673359), (3501, 569499), (4039, 493641), (5193, 383943), (8169, 244071), (8883, 224453), (10503, 189833), (12117, 164547), (15579, 127981), (18283, 109053), (24507, 81357), (27119, 73521), (36351, 54849)]