17812710

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{21991}}^1$

素因数の和:22010

約数の個数: 40

約数和(自身を含む): 47898576

約数和(自身を除く): 30085866

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 21991, 43982, 65973, 109955, 131946, 197919, 219910, 329865, 395838, 593757, 659730, 989595, 1187514, 1781271, 1979190, 2968785, 3562542, 5937570, 8906355, 17812710]

約数ペア:

[(1, 17812710), (2, 8906355), (3, 5937570), (5, 3562542), (6, 2968785), (9, 1979190), (10, 1781271), (15, 1187514), (18, 989595), (27, 659730), (30, 593757), (45, 395838), (54, 329865), (81, 219910), (90, 197919), (135, 131946), (162, 109955), (270, 65973), (405, 43982), (810, 21991)]