212467905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{15791}}^1$

素因数の和:15838

約数の個数: 48

約数和(自身を含む): 413876736

約数和(自身を除く): 201408831

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1495, 2691, 4485, 13455, 15791, 47373, 78955, 142119, 205283, 236865, 363193, 615849, 710595, 1026415, 1089579, 1815965, 1847547, 3079245, 3268737, 4721509, 5447895, 9237735, 14164527, 16343685, 23607545, 42493581, 70822635, 212467905]

約数ペア:

[(1, 212467905), (3, 70822635), (5, 42493581), (9, 23607545), (13, 16343685), (15, 14164527), (23, 9237735), (39, 5447895), (45, 4721509), (65, 3268737), (69, 3079245), (115, 1847547), (117, 1815965), (195, 1089579), (207, 1026415), (299, 710595), (345, 615849), (585, 363193), (897, 236865), (1035, 205283), (1495, 142119), (2691, 78955), (4485, 47373), (13455, 15791)]