28274025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 51496704

約数和(自身を除く): 23222679

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 617, 705, 975, 1175, 1833, 1851, 3055, 3085, 3525, 8021, 9165, 9255, 15275, 15425, 24063, 28999, 40105, 45825, 46275, 86997, 120315, 144995, 200525, 376987, 434985, 601575, 724975, 1130961, 1884935, 2174925, 5654805, 9424675, 28274025]

約数ペア:

[(1, 28274025), (3, 9424675), (5, 5654805), (13, 2174925), (15, 1884935), (25, 1130961), (39, 724975), (47, 601575), (65, 434985), (75, 376987), (141, 200525), (195, 144995), (235, 120315), (325, 86997), (611, 46275), (617, 45825), (705, 40105), (975, 28999), (1175, 24063), (1833, 15425), (1851, 15275), (3055, 9255), (3085, 9165), (3525, 8021)]