71562561

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 112285440

約数和(自身を除く): 40722879

約数列:

[1, 3, 7, 21, 53, 113, 159, 339, 371, 569, 791, 1113, 1707, 2373, 3983, 5989, 11949, 17967, 30157, 41923, 64297, 90471, 125769, 192891, 211099, 450079, 633297, 1350237, 3407741, 10223223, 23854187, 71562561]

約数ペア:

[(1, 71562561), (3, 23854187), (7, 10223223), (21, 3407741), (53, 1350237), (113, 633297), (159, 450079), (339, 211099), (371, 192891), (569, 125769), (791, 90471), (1113, 64297), (1707, 41923), (2373, 30157), (3983, 17967), (5989, 11949)]