25335525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 45854208

約数和(自身を除く): 20518683

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 425, 465, 527, 641, 775, 1275, 1581, 1923, 2325, 2635, 3205, 7905, 9615, 10897, 13175, 16025, 19871, 32691, 39525, 48075, 54485, 59613, 99355, 163455, 272425, 298065, 337807, 496775, 817275, 1013421, 1490325, 1689035, 5067105, 8445175, 25335525]

約数ペア:

[(1, 25335525), (3, 8445175), (5, 5067105), (15, 1689035), (17, 1490325), (25, 1013421), (31, 817275), (51, 496775), (75, 337807), (85, 298065), (93, 272425), (155, 163455), (255, 99355), (425, 59613), (465, 54485), (527, 48075), (641, 39525), (775, 32691), (1275, 19871), (1581, 16025), (1923, 13175), (2325, 10897), (2635, 9615), (3205, 7905)]