1917181845

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{857}}^1$

素因数の和:1171

約数の個数: 64

約数和(自身を含む): 3474282240

約数和(自身を除く): 1557100395

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 227, 365, 657, 681, 857, 1095, 1135, 1971, 2043, 2571, 3285, 3405, 4285, 6129, 7713, 9855, 10215, 12855, 16571, 23139, 30645, 38565, 49713, 62561, 82855, 115695, 149139, 187683, 194539, 248565, 312805, 447417, 563049, 583617, 745695, 938415, 972695, 1689147, 1750851, 2237085, 2815245, 2918085, 5252553, 8445735, 8754255, 14201347, 26262765, 42604041, 71006735, 127812123, 213020205, 383436369, 639060615, 1917181845]

約数ペア:

[(1, 1917181845), (3, 639060615), (5, 383436369), (9, 213020205), (15, 127812123), (27, 71006735), (45, 42604041), (73, 26262765), (135, 14201347), (219, 8754255), (227, 8445735), (365, 5252553), (657, 2918085), (681, 2815245), (857, 2237085), (1095, 1750851), (1135, 1689147), (1971, 972695), (2043, 938415), (2571, 745695), (3285, 583617), (3405, 563049), (4285, 447417), (6129, 312805), (7713, 248565), (9855, 194539), (10215, 187683), (12855, 149139), (16571, 115695), (23139, 82855), (30645, 62561), (38565, 49713)]