18259125

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 33246720

約数和(自身を除く): 14987595

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 73, 75, 87, 115, 125, 145, 219, 345, 365, 375, 435, 575, 667, 725, 1095, 1679, 1725, 1825, 2001, 2117, 2175, 2875, 3335, 3625, 5037, 5475, 6351, 8395, 8625, 9125, 10005, 10585, 10875, 16675, 25185, 27375, 31755, 41975, 48691, 50025, 52925, 83375, 125925, 146073, 158775, 209875, 243455, 250125, 264625, 629625, 730365, 793875, 1217275, 3651825, 6086375, 18259125]

約数ペア:

[(1, 18259125), (3, 6086375), (5, 3651825), (15, 1217275), (23, 793875), (25, 730365), (29, 629625), (69, 264625), (73, 250125), (75, 243455), (87, 209875), (115, 158775), (125, 146073), (145, 125925), (219, 83375), (345, 52925), (365, 50025), (375, 48691), (435, 41975), (575, 31755), (667, 27375), (725, 25185), (1095, 16675), (1679, 10875), (1725, 10585), (1825, 10005), (2001, 9125), (2117, 8625), (2175, 8395), (2875, 6351), (3335, 5475), (3625, 5037)]