21977295

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 36655104

約数和(自身を除く): 14677809

約数列:

[1, 3, 5, 15, 31, 93, 151, 155, 313, 453, 465, 755, 939, 1565, 2265, 4681, 4695, 9703, 14043, 23405, 29109, 47263, 48515, 70215, 141789, 145545, 236315, 708945, 1465153, 4395459, 7325765, 21977295]

約数ペア:

[(1, 21977295), (3, 7325765), (5, 4395459), (15, 1465153), (31, 708945), (93, 236315), (151, 145545), (155, 141789), (313, 70215), (453, 48515), (465, 47263), (755, 29109), (939, 23405), (1565, 14043), (2265, 9703), (4681, 4695)]