7880925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 14374080

約数和(自身を除く): 6493155

約数列:

[1, 3, 5, 13, 15, 25, 39, 59, 65, 75, 137, 177, 195, 295, 325, 411, 685, 767, 885, 975, 1475, 1781, 2055, 2301, 3425, 3835, 4425, 5343, 8083, 8905, 10275, 11505, 19175, 24249, 26715, 40415, 44525, 57525, 105079, 121245, 133575, 202075, 315237, 525395, 606225, 1576185, 2626975, 7880925]

約数ペア:

[(1, 7880925), (3, 2626975), (5, 1576185), (13, 606225), (15, 525395), (25, 315237), (39, 202075), (59, 133575), (65, 121245), (75, 105079), (137, 57525), (177, 44525), (195, 40415), (295, 26715), (325, 24249), (411, 19175), (685, 11505), (767, 10275), (885, 8905), (975, 8083), (1475, 5343), (1781, 4425), (2055, 3835), (2301, 3425)]