321195

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 48

約数和(自身を含む): 656640

約数和(自身を除く): 335445

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 49, 57, 69, 95, 105, 115, 133, 147, 161, 245, 285, 345, 399, 437, 483, 665, 735, 805, 931, 1127, 1311, 1995, 2185, 2415, 2793, 3059, 3381, 4655, 5635, 6555, 9177, 13965, 15295, 16905, 21413, 45885, 64239, 107065, 321195]

約数ペア:

[(1, 321195), (3, 107065), (5, 64239), (7, 45885), (15, 21413), (19, 16905), (21, 15295), (23, 13965), (35, 9177), (49, 6555), (57, 5635), (69, 4655), (95, 3381), (105, 3059), (115, 2793), (133, 2415), (147, 2185), (161, 1995), (245, 1311), (285, 1127), (345, 931), (399, 805), (437, 735), (483, 665)]