18263475

素因数分解:

$3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 60

約数和(自身を含む): 35109360

約数和(自身を除く): 16845885

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 261, 311, 405, 435, 675, 725, 783, 933, 1305, 1555, 2025, 2175, 2349, 2799, 3915, 4665, 6525, 7775, 8397, 9019, 11745, 13995, 19575, 23325, 25191, 27057, 41985, 45095, 58725, 69975, 81171, 125955, 135285, 209925, 225475, 243513, 405855, 629775, 676425, 730539, 1217565, 2029275, 3652695, 6087825, 18263475]

約数ペア:

[(1, 18263475), (3, 6087825), (5, 3652695), (9, 2029275), (15, 1217565), (25, 730539), (27, 676425), (29, 629775), (45, 405855), (75, 243513), (81, 225475), (87, 209925), (135, 135285), (145, 125955), (225, 81171), (261, 69975), (311, 58725), (405, 45095), (435, 41985), (675, 27057), (725, 25191), (783, 23325), (933, 19575), (1305, 13995), (1555, 11745), (2025, 9019), (2175, 8397), (2349, 7775), (2799, 6525), (3915, 4665)]