201311625

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{7561}}^1$

素因数の和:7650

約数の個数: 32

約数和(自身を含む): 339745536

約数和(自身を除く): 138433911

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 1065, 1775, 5325, 7561, 8875, 22683, 26625, 37805, 113415, 189025, 536831, 567075, 945125, 1610493, 2684155, 2835375, 8052465, 13420775, 40262325, 67103875, 201311625]

約数ペア:

[(1, 201311625), (3, 67103875), (5, 40262325), (15, 13420775), (25, 8052465), (71, 2835375), (75, 2684155), (125, 1610493), (213, 945125), (355, 567075), (375, 536831), (1065, 189025), (1775, 113415), (5325, 37805), (7561, 26625), (8875, 22683)]