201648615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1657}}^1$

素因数の和:1752

約数の個数: 64

約数和(自身を含む): 394736640

約数和(自身を除く): 193088025

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 183, 285, 305, 399, 427, 665, 915, 1159, 1281, 1657, 1995, 2135, 3477, 4971, 5795, 6405, 8113, 8285, 11599, 17385, 24339, 24855, 31483, 34797, 40565, 57995, 94449, 101077, 121695, 157415, 173985, 220381, 303231, 472245, 505385, 661143, 707539, 1101905, 1516155, 1920463, 2122617, 3305715, 3537695, 5761389, 9602315, 10613085, 13443241, 28806945, 40329723, 67216205, 201648615]

約数ペア:

[(1, 201648615), (3, 67216205), (5, 40329723), (7, 28806945), (15, 13443241), (19, 10613085), (21, 9602315), (35, 5761389), (57, 3537695), (61, 3305715), (95, 2122617), (105, 1920463), (133, 1516155), (183, 1101905), (285, 707539), (305, 661143), (399, 505385), (427, 472245), (665, 303231), (915, 220381), (1159, 173985), (1281, 157415), (1657, 121695), (1995, 101077), (2135, 94449), (3477, 57995), (4971, 40565), (5795, 34797), (6405, 31483), (8113, 24855), (8285, 24339), (11599, 17385)]