72801687

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 115591680

約数和(自身を除く): 42789993

約数列:

[1, 3, 7, 21, 29, 87, 173, 203, 519, 609, 691, 1211, 2073, 3633, 4837, 5017, 14511, 15051, 20039, 35119, 60117, 105357, 119543, 140273, 358629, 420819, 836801, 2510403, 3466747, 10400241, 24267229, 72801687]

約数ペア:

[(1, 72801687), (3, 24267229), (7, 10400241), (21, 3466747), (29, 2510403), (87, 836801), (173, 420819), (203, 358629), (519, 140273), (609, 119543), (691, 105357), (1211, 60117), (2073, 35119), (3633, 20039), (4837, 15051), (5017, 14511)]