22913865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 45220032

約数和(自身を除く): 22306167

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 131, 169, 195, 207, 299, 345, 393, 507, 585, 655, 845, 897, 1035, 1179, 1495, 1521, 1703, 1965, 2535, 2691, 3013, 3887, 4485, 5109, 5895, 7605, 8515, 9039, 11661, 13455, 15065, 15327, 19435, 22139, 25545, 27117, 34983, 39169, 45195, 58305, 66417, 76635, 110695, 117507, 135585, 174915, 195845, 199251, 332085, 352521, 509197, 587535, 996255, 1527591, 1762605, 2545985, 4582773, 7637955, 22913865]

約数ペア:

[(1, 22913865), (3, 7637955), (5, 4582773), (9, 2545985), (13, 1762605), (15, 1527591), (23, 996255), (39, 587535), (45, 509197), (65, 352521), (69, 332085), (115, 199251), (117, 195845), (131, 174915), (169, 135585), (195, 117507), (207, 110695), (299, 76635), (345, 66417), (393, 58305), (507, 45195), (585, 39169), (655, 34983), (845, 27117), (897, 25545), (1035, 22139), (1179, 19435), (1495, 15327), (1521, 15065), (1703, 13455), (1965, 11661), (2535, 9039), (2691, 8515), (3013, 7605), (3887, 5895), (4485, 5109)]