42030225

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 78387840

約数和(自身を除く): 36357615

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 877, 1065, 1775, 1917, 2631, 3195, 4385, 5325, 7893, 9585, 13155, 15975, 21925, 23679, 39465, 47925, 62267, 65775, 118395, 186801, 197325, 311335, 560403, 591975, 934005, 1556675, 1681209, 2802015, 4670025, 8406045, 14010075, 42030225]

約数ペア:

[(1, 42030225), (3, 14010075), (5, 8406045), (9, 4670025), (15, 2802015), (25, 1681209), (27, 1556675), (45, 934005), (71, 591975), (75, 560403), (135, 311335), (213, 197325), (225, 186801), (355, 118395), (639, 65775), (675, 62267), (877, 47925), (1065, 39465), (1775, 23679), (1917, 21925), (2631, 15975), (3195, 13155), (4385, 9585), (5325, 7893)]