18381825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1$

素因数の和:1095

約数の個数: 72

約数和(自身を含む): 41086656

約数和(自身を除く): 22704831

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 165, 175, 225, 231, 275, 315, 385, 495, 525, 693, 825, 1061, 1155, 1575, 1925, 2475, 3183, 3465, 5305, 5775, 7427, 9549, 11671, 15915, 17325, 22281, 26525, 35013, 37135, 47745, 58355, 66843, 79575, 81697, 105039, 111405, 175065, 185675, 238725, 245091, 291775, 334215, 408485, 525195, 557025, 735273, 875325, 1225455, 1671075, 2042425, 2625975, 3676365, 6127275, 18381825]

約数ペア:

[(1, 18381825), (3, 6127275), (5, 3676365), (7, 2625975), (9, 2042425), (11, 1671075), (15, 1225455), (21, 875325), (25, 735273), (33, 557025), (35, 525195), (45, 408485), (55, 334215), (63, 291775), (75, 245091), (77, 238725), (99, 185675), (105, 175065), (165, 111405), (175, 105039), (225, 81697), (231, 79575), (275, 66843), (315, 58355), (385, 47745), (495, 37135), (525, 35013), (693, 26525), (825, 22281), (1061, 17325), (1155, 15915), (1575, 11671), (1925, 9549), (2475, 7427), (3183, 5775), (3465, 5305)]