1397472405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61333}}^1$

素因数の和:61386

約数の個数: 48

約数和(自身を含む): 2684957184

約数和(自身を除く): 1287484779

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 651, 735, 1085, 1519, 3255, 4557, 7595, 22785, 61333, 183999, 306665, 429331, 919995, 1287993, 1901323, 2146655, 3005317, 5703969, 6439965, 9015951, 9506615, 13309261, 15026585, 28519845, 39927783, 45079755, 66546305, 93164827, 199638915, 279494481, 465824135, 1397472405]

約数ペア:

[(1, 1397472405), (3, 465824135), (5, 279494481), (7, 199638915), (15, 93164827), (21, 66546305), (31, 45079755), (35, 39927783), (49, 28519845), (93, 15026585), (105, 13309261), (147, 9506615), (155, 9015951), (217, 6439965), (245, 5703969), (465, 3005317), (651, 2146655), (735, 1901323), (1085, 1287993), (1519, 919995), (3255, 429331), (4557, 306665), (7595, 183999), (22785, 61333)]