221885295

素因数分解:

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

素因数の和:4063

約数の個数: 32

約数和(自身を含む): 366902784

約数和(自身を除く): 145017489

約数列:

[1, 3, 5, 15, 53, 71, 159, 213, 265, 355, 795, 1065, 3763, 3931, 11289, 11793, 18815, 19655, 56445, 58965, 208343, 279101, 625029, 837303, 1041715, 1395505, 3125145, 4186515, 14792353, 44377059, 73961765, 221885295]

約数ペア:

[(1, 221885295), (3, 73961765), (5, 44377059), (15, 14792353), (53, 4186515), (71, 3125145), (159, 1395505), (213, 1041715), (265, 837303), (355, 625029), (795, 279101), (1065, 208343), (3763, 58965), (3931, 56445), (11289, 19655), (11793, 18815)]