18060975

素因数分解:

$3^6\times 5^2\times {\mathrm{991}}^1$

素因数の和:1019

約数の個数: 42

約数和(自身を含む): 33611936

約数和(自身を除く): 15550961

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 991, 1215, 2025, 2973, 3645, 4955, 6075, 8919, 14865, 18225, 24775, 26757, 44595, 74325, 80271, 133785, 222975, 240813, 401355, 668925, 722439, 1204065, 2006775, 3612195, 6020325, 18060975]

約数ペア:

[(1, 18060975), (3, 6020325), (5, 3612195), (9, 2006775), (15, 1204065), (25, 722439), (27, 668925), (45, 401355), (75, 240813), (81, 222975), (135, 133785), (225, 80271), (243, 74325), (405, 44595), (675, 26757), (729, 24775), (991, 18225), (1215, 14865), (2025, 8919), (2973, 6075), (3645, 4955)]