28493985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3109}}^1$

素因数の和:3177

約数の個数: 32

約数和(自身を含む): 50158080

約数和(自身を除く): 21664095

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 3109, 9165, 9327, 15545, 40417, 46635, 121251, 146123, 202085, 438369, 606255, 730615, 1899599, 2191845, 5698797, 9497995, 28493985]

約数ペア:

[(1, 28493985), (3, 9497995), (5, 5698797), (13, 2191845), (15, 1899599), (39, 730615), (47, 606255), (65, 438369), (141, 202085), (195, 146123), (235, 121251), (611, 46635), (705, 40417), (1833, 15545), (3055, 9327), (3109, 9165)]