156720825

素因数分解:

$3^4\times 5^2\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:616

約数の個数: 60

約数和(自身を含む): 292532988

約数和(自身を除く): 135812163

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 193, 225, 401, 405, 579, 675, 965, 1203, 1737, 2005, 2025, 2895, 3609, 4825, 5211, 6015, 8685, 10025, 10827, 14475, 15633, 18045, 26055, 30075, 32481, 43425, 54135, 77393, 78165, 90225, 130275, 162405, 232179, 270675, 386965, 390825, 696537, 812025, 1160895, 1934825, 2089611, 3482685, 5804475, 6268833, 10448055, 17413425, 31344165, 52240275, 156720825]

約数ペア:

[(1, 156720825), (3, 52240275), (5, 31344165), (9, 17413425), (15, 10448055), (25, 6268833), (27, 5804475), (45, 3482685), (75, 2089611), (81, 1934825), (135, 1160895), (193, 812025), (225, 696537), (401, 390825), (405, 386965), (579, 270675), (675, 232179), (965, 162405), (1203, 130275), (1737, 90225), (2005, 78165), (2025, 77393), (2895, 54135), (3609, 43425), (4825, 32481), (5211, 30075), (6015, 26055), (8685, 18045), (10025, 15633), (10827, 14475)]