18182745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 19418535

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 71, 105, 135, 189, 213, 271, 315, 355, 497, 639, 813, 945, 1065, 1355, 1491, 1897, 1917, 2439, 2485, 3195, 4065, 4473, 5691, 7317, 7455, 9485, 9585, 12195, 13419, 17073, 19241, 22365, 28455, 36585, 51219, 57723, 67095, 85365, 96205, 134687, 173169, 256095, 288615, 404061, 519507, 673435, 865845, 1212183, 2020305, 2597535, 3636549, 6060915, 18182745]

約数ペア:

[(1, 18182745), (3, 6060915), (5, 3636549), (7, 2597535), (9, 2020305), (15, 1212183), (21, 865845), (27, 673435), (35, 519507), (45, 404061), (63, 288615), (71, 256095), (105, 173169), (135, 134687), (189, 96205), (213, 85365), (271, 67095), (315, 57723), (355, 51219), (497, 36585), (639, 28455), (813, 22365), (945, 19241), (1065, 17073), (1355, 13419), (1491, 12195), (1897, 9585), (1917, 9485), (2439, 7455), (2485, 7317), (3195, 5691), (4065, 4473)]