25665435

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 46837440

約数和(自身を除く): 21172005

約数列:

[1, 3, 5, 9, 15, 29, 45, 71, 87, 145, 213, 261, 277, 355, 435, 639, 831, 1065, 1305, 1385, 2059, 2493, 3195, 4155, 6177, 8033, 10295, 12465, 18531, 19667, 24099, 30885, 40165, 59001, 72297, 92655, 98335, 120495, 177003, 295005, 361485, 570343, 885015, 1711029, 2851715, 5133087, 8555145, 25665435]

約数ペア:

[(1, 25665435), (3, 8555145), (5, 5133087), (9, 2851715), (15, 1711029), (29, 885015), (45, 570343), (71, 361485), (87, 295005), (145, 177003), (213, 120495), (261, 98335), (277, 92655), (355, 72297), (435, 59001), (639, 40165), (831, 30885), (1065, 24099), (1305, 19667), (1385, 18531), (2059, 12465), (2493, 10295), (3195, 8033), (4155, 6177)]