38761605

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 33814395

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 47, 123, 135, 141, 149, 205, 235, 369, 423, 447, 615, 705, 745, 1107, 1269, 1341, 1845, 1927, 2115, 2235, 4023, 5535, 5781, 6109, 6345, 6705, 7003, 9635, 17343, 18327, 20115, 21009, 28905, 30545, 35015, 52029, 54981, 63027, 86715, 91635, 105045, 164943, 189081, 260145, 274905, 287123, 315135, 824715, 861369, 945405, 1435615, 2584107, 4306845, 7752321, 12920535, 38761605]

約数ペア:

[(1, 38761605), (3, 12920535), (5, 7752321), (9, 4306845), (15, 2584107), (27, 1435615), (41, 945405), (45, 861369), (47, 824715), (123, 315135), (135, 287123), (141, 274905), (149, 260145), (205, 189081), (235, 164943), (369, 105045), (423, 91635), (447, 86715), (615, 63027), (705, 54981), (745, 52029), (1107, 35015), (1269, 30545), (1341, 28905), (1845, 21009), (1927, 20115), (2115, 18327), (2235, 17343), (4023, 9635), (5535, 7003), (5781, 6705), (6109, 6345)]