219876579

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21601}}^1$

素因数の和:21652

約数の個数: 32

約数和(自身を含む): 362913600

約数和(自身を除く): 143037021

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 3393, 10179, 21601, 64803, 194409, 280813, 583227, 626429, 842439, 1879287, 2527317, 5637861, 7581951, 8143577, 16913583, 24430731, 73292193, 219876579]

約数ペア:

[(1, 219876579), (3, 73292193), (9, 24430731), (13, 16913583), (27, 8143577), (29, 7581951), (39, 5637861), (87, 2527317), (117, 1879287), (261, 842439), (351, 626429), (377, 583227), (783, 280813), (1131, 194409), (3393, 64803), (10179, 21601)]