12120225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 22331904

約数和(自身を除く): 10211679

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 401, 403, 465, 775, 975, 1203, 1209, 2005, 2015, 2325, 5213, 6015, 6045, 10025, 10075, 12431, 15639, 26065, 30075, 30225, 37293, 62155, 78195, 130325, 161603, 186465, 310775, 390975, 484809, 808015, 932325, 2424045, 4040075, 12120225]

約数ペア:

[(1, 12120225), (3, 4040075), (5, 2424045), (13, 932325), (15, 808015), (25, 484809), (31, 390975), (39, 310775), (65, 186465), (75, 161603), (93, 130325), (155, 78195), (195, 62155), (325, 37293), (401, 30225), (403, 30075), (465, 26065), (775, 15639), (975, 12431), (1203, 10075), (1209, 10025), (2005, 6045), (2015, 6015), (2325, 5213)]