61766145

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{21787}}^1$

素因数の和:21811

約数の個数: 40

約数和(自身を含む): 126544704

約数和(自身を除く): 64778559

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 21787, 65361, 108935, 152509, 196083, 326805, 457527, 588249, 762545, 980415, 1372581, 1764747, 2287635, 2941245, 4117743, 6862905, 8823735, 12353229, 20588715, 61766145]

約数ペア:

[(1, 61766145), (3, 20588715), (5, 12353229), (7, 8823735), (9, 6862905), (15, 4117743), (21, 2941245), (27, 2287635), (35, 1764747), (45, 1372581), (63, 980415), (81, 762545), (105, 588249), (135, 457527), (189, 326805), (315, 196083), (405, 152509), (567, 108935), (945, 65361), (2835, 21787)]