72681279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 110246400

約数和(自身を除く): 37565121

約数列:

[1, 3, 11, 29, 33, 87, 173, 319, 439, 519, 957, 1317, 1903, 4829, 5017, 5709, 12731, 14487, 15051, 38193, 55187, 75947, 140041, 165561, 227841, 420123, 835417, 2202463, 2506251, 6607389, 24227093, 72681279]

約数ペア:

[(1, 72681279), (3, 24227093), (11, 6607389), (29, 2506251), (33, 2202463), (87, 835417), (173, 420123), (319, 227841), (439, 165561), (519, 140041), (957, 75947), (1317, 55187), (1903, 38193), (4829, 15051), (5017, 14487), (5709, 12731)]