13867815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 25347168

約数和(自身を除く): 11479353

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 197, 247, 285, 361, 591, 741, 985, 1083, 1235, 1805, 2561, 2955, 3705, 3743, 4693, 5415, 7683, 11229, 12805, 14079, 18715, 23465, 38415, 48659, 56145, 70395, 71117, 145977, 213351, 243295, 355585, 729885, 924521, 1066755, 2773563, 4622605, 13867815]

約数ペア:

[(1, 13867815), (3, 4622605), (5, 2773563), (13, 1066755), (15, 924521), (19, 729885), (39, 355585), (57, 243295), (65, 213351), (95, 145977), (195, 71117), (197, 70395), (247, 56145), (285, 48659), (361, 38415), (591, 23465), (741, 18715), (985, 14079), (1083, 12805), (1235, 11229), (1805, 7683), (2561, 5415), (2955, 4693), (3705, 3743)]