31337325

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 59579520

約数和(自身を除く): 28242195

約数列:

[1, 3, 5, 9, 15, 25, 41, 43, 45, 75, 79, 123, 129, 205, 215, 225, 237, 369, 387, 395, 615, 645, 711, 1025, 1075, 1185, 1763, 1845, 1935, 1975, 3075, 3225, 3239, 3397, 3555, 5289, 5925, 8815, 9225, 9675, 9717, 10191, 15867, 16195, 16985, 17775, 26445, 29151, 30573, 44075, 48585, 50955, 79335, 80975, 84925, 132225, 139277, 145755, 152865, 242925, 254775, 396675, 417831, 696385, 728775, 764325, 1253493, 2089155, 3481925, 6267465, 10445775, 31337325]

約数ペア:

[(1, 31337325), (3, 10445775), (5, 6267465), (9, 3481925), (15, 2089155), (25, 1253493), (41, 764325), (43, 728775), (45, 696385), (75, 417831), (79, 396675), (123, 254775), (129, 242925), (205, 152865), (215, 145755), (225, 139277), (237, 132225), (369, 84925), (387, 80975), (395, 79335), (615, 50955), (645, 48585), (711, 44075), (1025, 30573), (1075, 29151), (1185, 26445), (1763, 17775), (1845, 16985), (1935, 16195), (1975, 15867), (3075, 10191), (3225, 9717), (3239, 9675), (3397, 9225), (3555, 8815), (5289, 5925)]