218193651

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 354987360

約数和(自身を除く): 136793709

約数列:

[1, 3, 9, 13, 29, 39, 87, 107, 117, 261, 321, 377, 601, 963, 1131, 1391, 1803, 3103, 3393, 4173, 5409, 7813, 9309, 12519, 17429, 23439, 27927, 40339, 52287, 64307, 70317, 121017, 156861, 192921, 226577, 363051, 578763, 679731, 835991, 1864903, 2039193, 2507973, 5594709, 7523919, 16784127, 24243739, 72731217, 218193651]

約数ペア:

[(1, 218193651), (3, 72731217), (9, 24243739), (13, 16784127), (29, 7523919), (39, 5594709), (87, 2507973), (107, 2039193), (117, 1864903), (261, 835991), (321, 679731), (377, 578763), (601, 363051), (963, 226577), (1131, 192921), (1391, 156861), (1803, 121017), (3103, 70317), (3393, 64307), (4173, 52287), (5409, 40339), (7813, 27927), (9309, 23439), (12519, 17429)]