2253885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1616835

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 139, 141, 235, 345, 417, 695, 705, 1081, 2085, 3197, 3243, 5405, 6533, 9591, 15985, 16215, 19599, 32665, 47955, 97995, 150259, 450777, 751295, 2253885]

約数ペア:

[(1, 2253885), (3, 751295), (5, 450777), (15, 150259), (23, 97995), (47, 47955), (69, 32665), (115, 19599), (139, 16215), (141, 15985), (235, 9591), (345, 6533), (417, 5405), (695, 3243), (705, 3197), (1081, 2085)]