201521061

素因数分解:

$3^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2741}}^1$

素因数の和:3146

約数の個数: 32

約数和(自身を含む): 342201600

約数和(自身を除く): 140680539

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 389, 1167, 2723, 2741, 3501, 8169, 8223, 10503, 19187, 24507, 24669, 57561, 73521, 74007, 172683, 518049, 1066249, 3198747, 7463743, 9596241, 22391229, 28788723, 67173687, 201521061]

約数ペア:

[(1, 201521061), (3, 67173687), (7, 28788723), (9, 22391229), (21, 9596241), (27, 7463743), (63, 3198747), (189, 1066249), (389, 518049), (1167, 172683), (2723, 74007), (2741, 73521), (3501, 57561), (8169, 24669), (8223, 24507), (10503, 19187)]