638385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 1150848

約数和(自身を除く): 512463

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 73, 159, 165, 219, 265, 365, 583, 795, 803, 1095, 1749, 2409, 2915, 3869, 4015, 8745, 11607, 12045, 19345, 42559, 58035, 127677, 212795, 638385]

約数ペア:

[(1, 638385), (3, 212795), (5, 127677), (11, 58035), (15, 42559), (33, 19345), (53, 12045), (55, 11607), (73, 8745), (159, 4015), (165, 3869), (219, 2915), (265, 2409), (365, 1749), (583, 1095), (795, 803)]