1216125

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 48

約数和(自身を含む): 2336256

約数和(自身を除く): 1120131

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 47, 69, 75, 115, 125, 141, 207, 225, 235, 345, 375, 423, 575, 705, 1035, 1081, 1125, 1175, 1725, 2115, 2875, 3243, 3525, 5175, 5405, 5875, 8625, 9729, 10575, 16215, 17625, 25875, 27025, 48645, 52875, 81075, 135125, 243225, 405375, 1216125]

約数ペア:

[(1, 1216125), (3, 405375), (5, 243225), (9, 135125), (15, 81075), (23, 52875), (25, 48645), (45, 27025), (47, 25875), (69, 17625), (75, 16215), (115, 10575), (125, 9729), (141, 8625), (207, 5875), (225, 5405), (235, 5175), (345, 3525), (375, 3243), (423, 2875), (575, 2115), (705, 1725), (1035, 1175), (1081, 1125)]