7215975

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2496

約数の個数: 36

約数和(自身を含む): 13924456

約数和(自身を除く): 6708481

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2467, 2925, 7401, 12335, 22203, 32071, 37005, 61675, 96213, 111015, 160355, 185025, 288639, 481065, 555075, 801775, 1443195, 2405325, 7215975]

約数ペア:

[(1, 7215975), (3, 2405325), (5, 1443195), (9, 801775), (13, 555075), (15, 481065), (25, 288639), (39, 185025), (45, 160355), (65, 111015), (75, 96213), (117, 61675), (195, 37005), (225, 32071), (325, 22203), (585, 12335), (975, 7401), (2467, 2925)]