13875885

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 25204608

約数和(自身を除く): 11328723

約数列:

[1, 3, 5, 9, 15, 43, 45, 71, 101, 129, 213, 215, 303, 355, 387, 505, 639, 645, 909, 1065, 1515, 1935, 3053, 3195, 4343, 4545, 7171, 9159, 13029, 15265, 21513, 21715, 27477, 35855, 39087, 45795, 64539, 65145, 107565, 137385, 195435, 308353, 322695, 925059, 1541765, 2775177, 4625295, 13875885]

約数ペア:

[(1, 13875885), (3, 4625295), (5, 2775177), (9, 1541765), (15, 925059), (43, 322695), (45, 308353), (71, 195435), (101, 137385), (129, 107565), (213, 65145), (215, 64539), (303, 45795), (355, 39087), (387, 35855), (505, 27477), (639, 21715), (645, 21513), (909, 15265), (1065, 13029), (1515, 9159), (1935, 7171), (3053, 4545), (3195, 4343)]