1378905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 2464128

約数和(自身を除く): 1085223

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 137, 165, 183, 305, 411, 671, 685, 915, 1507, 2013, 2055, 3355, 4521, 7535, 8357, 10065, 22605, 25071, 41785, 91927, 125355, 275781, 459635, 1378905]

約数ペア:

[(1, 1378905), (3, 459635), (5, 275781), (11, 125355), (15, 91927), (33, 41785), (55, 25071), (61, 22605), (137, 10065), (165, 8357), (183, 7535), (305, 4521), (411, 3355), (671, 2055), (685, 2013), (915, 1507)]