15495025

素因数分解:

$5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 24304000

約数和(自身を除く): 8808975

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 139, 175, 245, 325, 343, 455, 637, 695, 973, 1225, 1715, 1807, 2275, 3185, 3475, 4459, 4865, 6811, 8575, 9035, 12649, 15925, 22295, 24325, 34055, 45175, 47677, 63245, 88543, 111475, 170275, 238385, 316225, 442715, 619801, 1191925, 2213575, 3099005, 15495025]

約数ペア:

[(1, 15495025), (5, 3099005), (7, 2213575), (13, 1191925), (25, 619801), (35, 442715), (49, 316225), (65, 238385), (91, 170275), (139, 111475), (175, 88543), (245, 63245), (325, 47677), (343, 45175), (455, 34055), (637, 24325), (695, 22295), (973, 15925), (1225, 12649), (1715, 9035), (1807, 8575), (2275, 6811), (3185, 4865), (3475, 4459)]