201985425

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{1697}}^1$

素因数の和:1759

約数の個数: 54

約数和(自身を含む): 378414582

約数和(自身を除く): 176429157

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 529, 575, 1035, 1587, 1697, 1725, 2645, 4761, 5091, 5175, 7935, 8485, 13225, 15273, 23805, 25455, 39031, 39675, 42425, 76365, 117093, 119025, 127275, 195155, 351279, 381825, 585465, 897713, 975775, 1756395, 2693139, 2927325, 4488565, 8079417, 8781975, 13465695, 22442825, 40397085, 67328475, 201985425]

約数ペア:

[(1, 201985425), (3, 67328475), (5, 40397085), (9, 22442825), (15, 13465695), (23, 8781975), (25, 8079417), (45, 4488565), (69, 2927325), (75, 2693139), (115, 1756395), (207, 975775), (225, 897713), (345, 585465), (529, 381825), (575, 351279), (1035, 195155), (1587, 127275), (1697, 119025), (1725, 117093), (2645, 76365), (4761, 42425), (5091, 39675), (5175, 39031), (7935, 25455), (8485, 23805), (13225, 15273)]