890491725

素因数分解:

$3^8\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 108

約数和(自身を含む): 1702296180

約数和(自身を除く): 811804455

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 89, 135, 183, 225, 243, 267, 305, 405, 445, 549, 675, 729, 801, 915, 1215, 1335, 1525, 1647, 2025, 2187, 2225, 2403, 2745, 3645, 4005, 4575, 4941, 5429, 6075, 6561, 6675, 7209, 8235, 10935, 12015, 13725, 14823, 16287, 18225, 20025, 21627, 24705, 27145, 32805, 36045, 41175, 44469, 48861, 54675, 60075, 64881, 74115, 81435, 108135, 123525, 133407, 135725, 146583, 164025, 180225, 194643, 222345, 244305, 324405, 370575, 400221, 407175, 439749, 540675, 583929, 667035, 732915, 973215, 1111725, 1221525, 1319247, 1622025, 2001105, 2198745, 2919645, 3335175, 3664575, 3957741, 4866075, 6596235, 10005525, 10993725, 11873223, 14598225, 19788705, 32981175, 35619669, 59366115, 98943525, 178098345, 296830575, 890491725]

約数ペア:

[(1, 890491725), (3, 296830575), (5, 178098345), (9, 98943525), (15, 59366115), (25, 35619669), (27, 32981175), (45, 19788705), (61, 14598225), (75, 11873223), (81, 10993725), (89, 10005525), (135, 6596235), (183, 4866075), (225, 3957741), (243, 3664575), (267, 3335175), (305, 2919645), (405, 2198745), (445, 2001105), (549, 1622025), (675, 1319247), (729, 1221525), (801, 1111725), (915, 973215), (1215, 732915), (1335, 667035), (1525, 583929), (1647, 540675), (2025, 439749), (2187, 407175), (2225, 400221), (2403, 370575), (2745, 324405), (3645, 244305), (4005, 222345), (4575, 194643), (4941, 180225), (5429, 164025), (6075, 146583), (6561, 135725), (6675, 133407), (7209, 123525), (8235, 108135), (10935, 81435), (12015, 74115), (13725, 64881), (14823, 60075), (16287, 54675), (18225, 48861), (20025, 44469), (21627, 41175), (24705, 36045), (27145, 32805)]