261000129

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3659}}^1$

素因数の和:3765

約数の個数: 32

約数和(自身を含む): 393523200

約数和(自身を除く): 132523071

約数列:

[1, 3, 13, 31, 39, 59, 93, 177, 403, 767, 1209, 1829, 2301, 3659, 5487, 10977, 23777, 47567, 71331, 113429, 142701, 215881, 340287, 647643, 1474577, 2806453, 4423731, 6692311, 8419359, 20076933, 87000043, 261000129]

約数ペア:

[(1, 261000129), (3, 87000043), (13, 20076933), (31, 8419359), (39, 6692311), (59, 4423731), (93, 2806453), (177, 1474577), (403, 647643), (767, 340287), (1209, 215881), (1829, 142701), (2301, 113429), (3659, 71331), (5487, 47567), (10977, 23777)]