2001825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 4333056

約数和(自身を除く): 2331231

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 41, 45, 63, 75, 93, 105, 123, 155, 175, 205, 217, 225, 279, 287, 315, 369, 465, 525, 615, 651, 775, 861, 1025, 1085, 1271, 1395, 1435, 1575, 1845, 1953, 2325, 2583, 3075, 3255, 3813, 4305, 5425, 6355, 6975, 7175, 8897, 9225, 9765, 11439, 12915, 16275, 19065, 21525, 26691, 31775, 44485, 48825, 57195, 64575, 80073, 95325, 133455, 222425, 285975, 400365, 667275, 2001825]

約数ペア:

[(1, 2001825), (3, 667275), (5, 400365), (7, 285975), (9, 222425), (15, 133455), (21, 95325), (25, 80073), (31, 64575), (35, 57195), (41, 48825), (45, 44485), (63, 31775), (75, 26691), (93, 21525), (105, 19065), (123, 16275), (155, 12915), (175, 11439), (205, 9765), (217, 9225), (225, 8897), (279, 7175), (287, 6975), (315, 6355), (369, 5425), (465, 4305), (525, 3813), (615, 3255), (651, 3075), (775, 2583), (861, 2325), (1025, 1953), (1085, 1845), (1271, 1575), (1395, 1435)]