16730775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 32381856

約数和(自身を除く): 15651081

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 53, 61, 69, 75, 115, 159, 183, 207, 225, 265, 305, 345, 477, 549, 575, 795, 915, 1035, 1219, 1325, 1403, 1525, 1725, 2385, 2745, 3233, 3657, 3975, 4209, 4575, 5175, 6095, 7015, 9699, 10971, 11925, 12627, 13725, 16165, 18285, 21045, 29097, 30475, 35075, 48495, 54855, 63135, 74359, 80825, 91425, 105225, 145485, 223077, 242475, 274275, 315675, 371795, 669231, 727425, 1115385, 1858975, 3346155, 5576925, 16730775]

約数ペア:

[(1, 16730775), (3, 5576925), (5, 3346155), (9, 1858975), (15, 1115385), (23, 727425), (25, 669231), (45, 371795), (53, 315675), (61, 274275), (69, 242475), (75, 223077), (115, 145485), (159, 105225), (183, 91425), (207, 80825), (225, 74359), (265, 63135), (305, 54855), (345, 48495), (477, 35075), (549, 30475), (575, 29097), (795, 21045), (915, 18285), (1035, 16165), (1219, 13725), (1325, 12627), (1403, 11925), (1525, 10971), (1725, 9699), (2385, 7015), (2745, 6095), (3233, 5175), (3657, 4575), (3975, 4209)]