51971745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 101376000

約数和(自身を除く): 49404255

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 109, 133, 239, 285, 327, 399, 545, 665, 717, 763, 1195, 1635, 1673, 1995, 2071, 2289, 3585, 3815, 4541, 5019, 6213, 8365, 10355, 11445, 13623, 14497, 22705, 25095, 26051, 31065, 31787, 43491, 68115, 72485, 78153, 95361, 130255, 158935, 182357, 217455, 390765, 476805, 494969, 547071, 911785, 1484907, 2474845, 2735355, 3464783, 7424535, 10394349, 17323915, 51971745]

約数ペア:

[(1, 51971745), (3, 17323915), (5, 10394349), (7, 7424535), (15, 3464783), (19, 2735355), (21, 2474845), (35, 1484907), (57, 911785), (95, 547071), (105, 494969), (109, 476805), (133, 390765), (239, 217455), (285, 182357), (327, 158935), (399, 130255), (545, 95361), (665, 78153), (717, 72485), (763, 68115), (1195, 43491), (1635, 31787), (1673, 31065), (1995, 26051), (2071, 25095), (2289, 22705), (3585, 14497), (3815, 13623), (4541, 11445), (5019, 10355), (6213, 8365)]