64757325

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{12161}}^1$

素因数の和:12245

約数の個数: 24

約数和(自身を含む): 108582336

約数和(自身を除く): 43825011

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 12161, 36483, 60805, 182415, 304025, 863431, 912075, 2590293, 4317155, 12951465, 21585775, 64757325]

約数ペア:

[(1, 64757325), (3, 21585775), (5, 12951465), (15, 4317155), (25, 2590293), (71, 912075), (75, 863431), (213, 304025), (355, 182415), (1065, 60805), (1775, 36483), (5325, 12161)]