665655885

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{3931}}^1$

素因数の和:4066

約数の個数: 48

約数和(自身を含む): 1192434048

約数和(自身を除く): 526778163

約数列:

[1, 3, 5, 9, 15, 45, 53, 71, 159, 213, 265, 355, 477, 639, 795, 1065, 2385, 3195, 3763, 3931, 11289, 11793, 18815, 19655, 33867, 35379, 56445, 58965, 169335, 176895, 208343, 279101, 625029, 837303, 1041715, 1395505, 1875087, 2511909, 3125145, 4186515, 9375435, 12559545, 14792353, 44377059, 73961765, 133131177, 221885295, 665655885]

約数ペア:

[(1, 665655885), (3, 221885295), (5, 133131177), (9, 73961765), (15, 44377059), (45, 14792353), (53, 12559545), (71, 9375435), (159, 4186515), (213, 3125145), (265, 2511909), (355, 1875087), (477, 1395505), (639, 1041715), (795, 837303), (1065, 625029), (2385, 279101), (3195, 208343), (3763, 176895), (3931, 169335), (11289, 58965), (11793, 56445), (18815, 35379), (19655, 33867)]