81246975

素因数分解:

$3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{3461}}^1$

素因数の和:3787

約数の個数: 24

約数和(自身を含む): 134796432

約数和(自身を除く): 53549457

約数列:

[1, 3, 5, 15, 25, 75, 313, 939, 1565, 3461, 4695, 7825, 10383, 17305, 23475, 51915, 86525, 259575, 1083293, 3249879, 5416465, 16249395, 27082325, 81246975]

約数ペア:

[(1, 81246975), (3, 27082325), (5, 16249395), (15, 5416465), (25, 3249879), (75, 1083293), (313, 259575), (939, 86525), (1565, 51915), (3461, 23475), (4695, 17305), (7825, 10383)]