30919119

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 51826176

約数和(自身を除く): 20907057

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 977, 1507, 2877, 2931, 4521, 6839, 10549, 10747, 20517, 31647, 32241, 75229, 133849, 225687, 401547, 936943, 1472339, 2810829, 4417017, 10306373, 30919119]

約数ペア:

[(1, 30919119), (3, 10306373), (7, 4417017), (11, 2810829), (21, 1472339), (33, 936943), (77, 401547), (137, 225687), (231, 133849), (411, 75229), (959, 32241), (977, 31647), (1507, 20517), (2877, 10747), (2931, 10549), (4521, 6839)]