261619155

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 543449088

約数和(自身を除く): 281829933

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 47, 63, 105, 123, 141, 205, 235, 287, 315, 329, 369, 423, 431, 615, 705, 861, 987, 1293, 1435, 1645, 1845, 1927, 2115, 2155, 2583, 2961, 3017, 3879, 4305, 4935, 5781, 6465, 9051, 9635, 12915, 13489, 14805, 15085, 17343, 17671, 19395, 20257, 27153, 28905, 40467, 45255, 53013, 60771, 67445, 86715, 88355, 101285, 121401, 123697, 135765, 141799, 159039, 182313, 202335, 265065, 303855, 371091, 425397, 607005, 618485, 708995, 795195, 830537, 911565, 1113273, 1276191, 1855455, 2126985, 2491611, 4152685, 5566365, 5813759, 6380955, 7474833, 12458055, 17441277, 29068795, 37374165, 52323831, 87206385, 261619155]

約数ペア:

[(1, 261619155), (3, 87206385), (5, 52323831), (7, 37374165), (9, 29068795), (15, 17441277), (21, 12458055), (35, 7474833), (41, 6380955), (45, 5813759), (47, 5566365), (63, 4152685), (105, 2491611), (123, 2126985), (141, 1855455), (205, 1276191), (235, 1113273), (287, 911565), (315, 830537), (329, 795195), (369, 708995), (423, 618485), (431, 607005), (615, 425397), (705, 371091), (861, 303855), (987, 265065), (1293, 202335), (1435, 182313), (1645, 159039), (1845, 141799), (1927, 135765), (2115, 123697), (2155, 121401), (2583, 101285), (2961, 88355), (3017, 86715), (3879, 67445), (4305, 60771), (4935, 53013), (5781, 45255), (6465, 40467), (9051, 28905), (9635, 27153), (12915, 20257), (13489, 19395), (14805, 17671), (15085, 17343)]