249795

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 541632

約数和(自身を除く): 291837

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 61, 63, 65, 91, 105, 117, 183, 195, 273, 305, 315, 427, 455, 549, 585, 793, 819, 915, 1281, 1365, 2135, 2379, 2745, 3843, 3965, 4095, 5551, 6405, 7137, 11895, 16653, 19215, 27755, 35685, 49959, 83265, 249795]

約数ペア:

[(1, 249795), (3, 83265), (5, 49959), (7, 35685), (9, 27755), (13, 19215), (15, 16653), (21, 11895), (35, 7137), (39, 6405), (45, 5551), (61, 4095), (63, 3965), (65, 3843), (91, 2745), (105, 2379), (117, 2135), (183, 1365), (195, 1281), (273, 915), (305, 819), (315, 793), (427, 585), (455, 549)]