55143975

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 94993920

約数和(自身を除く): 39849945

約数列:

[1, 3, 5, 15, 25, 41, 75, 79, 123, 205, 227, 237, 395, 615, 681, 1025, 1135, 1185, 1975, 3075, 3239, 3405, 5675, 5925, 9307, 9717, 16195, 17025, 17933, 27921, 46535, 48585, 53799, 80975, 89665, 139605, 232675, 242925, 268995, 448325, 698025, 735253, 1344975, 2205759, 3676265, 11028795, 18381325, 55143975]

約数ペア:

[(1, 55143975), (3, 18381325), (5, 11028795), (15, 3676265), (25, 2205759), (41, 1344975), (75, 735253), (79, 698025), (123, 448325), (205, 268995), (227, 242925), (237, 232675), (395, 139605), (615, 89665), (681, 80975), (1025, 53799), (1135, 48585), (1185, 46535), (1975, 27921), (3075, 17933), (3239, 17025), (3405, 16195), (5675, 9717), (5925, 9307)]