64578705

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 41866095

約数列:

[1, 3, 5, 15, 47, 139, 141, 235, 417, 659, 695, 705, 1977, 2085, 3295, 6533, 9885, 19599, 30973, 32665, 91601, 92919, 97995, 154865, 274803, 458005, 464595, 1374015, 4305247, 12915741, 21526235, 64578705]

約数ペア:

[(1, 64578705), (3, 21526235), (5, 12915741), (15, 4305247), (47, 1374015), (139, 464595), (141, 458005), (235, 274803), (417, 154865), (659, 97995), (695, 92919), (705, 91601), (1977, 32665), (2085, 30973), (3295, 19599), (6533, 9885)]