9981675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 20214480

約数和(自身を除く): 10232805

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 37, 45, 55, 75, 99, 109, 111, 165, 185, 225, 275, 327, 333, 407, 495, 545, 555, 825, 925, 981, 1199, 1221, 1635, 1665, 2035, 2475, 2725, 2775, 3597, 3663, 4033, 4905, 5995, 6105, 8175, 8325, 10175, 10791, 12099, 17985, 18315, 20165, 24525, 29975, 30525, 36297, 44363, 53955, 60495, 89925, 91575, 100825, 133089, 181485, 221815, 269775, 302475, 399267, 665445, 907425, 1109075, 1996335, 3327225, 9981675]

約数ペア:

[(1, 9981675), (3, 3327225), (5, 1996335), (9, 1109075), (11, 907425), (15, 665445), (25, 399267), (33, 302475), (37, 269775), (45, 221815), (55, 181485), (75, 133089), (99, 100825), (109, 91575), (111, 89925), (165, 60495), (185, 53955), (225, 44363), (275, 36297), (327, 30525), (333, 29975), (407, 24525), (495, 20165), (545, 18315), (555, 17985), (825, 12099), (925, 10791), (981, 10175), (1199, 8325), (1221, 8175), (1635, 6105), (1665, 5995), (2035, 4905), (2475, 4033), (2725, 3663), (2775, 3597)]