870824175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20840

約数の個数: 48

約数和(自身を含む): 1586648448

約数和(自身を除く): 715824273

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 975, 1075, 1677, 2795, 3225, 8385, 13975, 20771, 41925, 62313, 103855, 270023, 311565, 519275, 810069, 893153, 1350115, 1557825, 2679459, 4050345, 4465765, 6750575, 11610989, 13397295, 20251725, 22328825, 34832967, 58054945, 66986475, 174164835, 290274725, 870824175]

約数ペア:

[(1, 870824175), (3, 290274725), (5, 174164835), (13, 66986475), (15, 58054945), (25, 34832967), (39, 22328825), (43, 20251725), (65, 13397295), (75, 11610989), (129, 6750575), (195, 4465765), (215, 4050345), (325, 2679459), (559, 1557825), (645, 1350115), (975, 893153), (1075, 810069), (1677, 519275), (2795, 311565), (3225, 270023), (8385, 103855), (13975, 62313), (20771, 41925)]