72883815

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1279}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 121651200

約数和(自身を除く): 48767385

約数列:

[1, 3, 5, 15, 29, 87, 131, 145, 393, 435, 655, 1279, 1965, 3799, 3837, 6395, 11397, 18995, 19185, 37091, 56985, 111273, 167549, 185455, 502647, 556365, 837745, 2513235, 4858921, 14576763, 24294605, 72883815]

約数ペア:

[(1, 72883815), (3, 24294605), (5, 14576763), (15, 4858921), (29, 2513235), (87, 837745), (131, 556365), (145, 502647), (393, 185455), (435, 167549), (655, 111273), (1279, 56985), (1965, 37091), (3799, 19185), (3837, 18995), (6395, 11397)]