64499745

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 106168320

約数和(自身を除く): 41668575

約数列:

[1, 3, 5, 15, 47, 141, 191, 235, 479, 573, 705, 955, 1437, 2395, 2865, 7185, 8977, 22513, 26931, 44885, 67539, 91489, 112565, 134655, 274467, 337695, 457445, 1372335, 4299983, 12899949, 21499915, 64499745]

約数ペア:

[(1, 64499745), (3, 21499915), (5, 12899949), (15, 4299983), (47, 1372335), (141, 457445), (191, 337695), (235, 274467), (479, 134655), (573, 112565), (705, 91489), (955, 67539), (1437, 44885), (2395, 26931), (2865, 22513), (7185, 8977)]