27946815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 50950368

約数和(自身を除く): 23003553

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 361, 397, 741, 1083, 1191, 1235, 1805, 1985, 3705, 4693, 5161, 5415, 5955, 7543, 14079, 15483, 22629, 23465, 25805, 37715, 70395, 77415, 98059, 113145, 143317, 294177, 429951, 490295, 716585, 1470885, 1863121, 2149755, 5589363, 9315605, 27946815]

約数ペア:

[(1, 27946815), (3, 9315605), (5, 5589363), (13, 2149755), (15, 1863121), (19, 1470885), (39, 716585), (57, 490295), (65, 429951), (95, 294177), (195, 143317), (247, 113145), (285, 98059), (361, 77415), (397, 70395), (741, 37715), (1083, 25805), (1191, 23465), (1235, 22629), (1805, 15483), (1985, 14079), (3705, 7543), (4693, 5955), (5161, 5415)]