1821980151

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{15731}}^1$

素因数の和:16511

約数の個数: 24

約数和(自身を含む): 2790416304

約数和(自身を除く): 968436153

約数列:

[1, 3, 9, 17, 51, 153, 757, 2271, 6813, 12869, 15731, 38607, 47193, 115821, 141579, 267427, 802281, 2406843, 11908367, 35725101, 107175303, 202442239, 607326717, 1821980151]

約数ペア:

[(1, 1821980151), (3, 607326717), (9, 202442239), (17, 107175303), (51, 35725101), (153, 11908367), (757, 2406843), (2271, 802281), (6813, 267427), (12869, 141579), (15731, 115821), (38607, 47193)]