220453245

素因数分解:

$3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2005

約数の個数: 56

約数和(自身を含む): 409638912

約数和(自身を除く): 189185667

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 729, 837, 1215, 1395, 1951, 2511, 3645, 4185, 5853, 7533, 9755, 12555, 17559, 22599, 29265, 37665, 52677, 60481, 87795, 112995, 158031, 181443, 263385, 302405, 474093, 544329, 790155, 907215, 1422279, 1632987, 2370465, 2721645, 4898961, 7111395, 8164935, 14696883, 24494805, 44090649, 73484415, 220453245]

約数ペア:

[(1, 220453245), (3, 73484415), (5, 44090649), (9, 24494805), (15, 14696883), (27, 8164935), (31, 7111395), (45, 4898961), (81, 2721645), (93, 2370465), (135, 1632987), (155, 1422279), (243, 907215), (279, 790155), (405, 544329), (465, 474093), (729, 302405), (837, 263385), (1215, 181443), (1395, 158031), (1951, 112995), (2511, 87795), (3645, 60481), (4185, 52677), (5853, 37665), (7533, 29265), (9755, 22599), (12555, 17559)]