201978117

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 330556512

約数和(自身を除く): 128578395

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 397, 571, 891, 1191, 1713, 3573, 4367, 5139, 6281, 10719, 13101, 15417, 18843, 32157, 39303, 46251, 56529, 117909, 169587, 226687, 353727, 508761, 680061, 2040183, 2493557, 6120549, 7480671, 18361647, 22442013, 67326039, 201978117]

約数ペア:

[(1, 201978117), (3, 67326039), (9, 22442013), (11, 18361647), (27, 7480671), (33, 6120549), (81, 2493557), (99, 2040183), (297, 680061), (397, 508761), (571, 353727), (891, 226687), (1191, 169587), (1713, 117909), (3573, 56529), (4367, 46251), (5139, 39303), (6281, 32157), (10719, 18843), (13101, 15417)]