311512554

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:481

約数の個数: 80

約数和(自身を含む): 721039968

約数和(自身を除く): 409527414

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 197, 227, 258, 387, 394, 454, 591, 681, 774, 1161, 1182, 1362, 1773, 2043, 2322, 3483, 3546, 4086, 5319, 6129, 6966, 8471, 9761, 10638, 12258, 15957, 16942, 18387, 19522, 25413, 29283, 31914, 36774, 44719, 50826, 58566, 76239, 87849, 89438, 134157, 152478, 175698, 228717, 263547, 268314, 402471, 457434, 527094, 686151, 790641, 804942, 1207413, 1372302, 1581282, 1922917, 2414826, 3622239, 3845834, 5768751, 7244478, 11537502, 17306253, 34612506, 51918759, 103837518, 155756277, 311512554]

約数ペア:

[(1, 311512554), (2, 155756277), (3, 103837518), (6, 51918759), (9, 34612506), (18, 17306253), (27, 11537502), (43, 7244478), (54, 5768751), (81, 3845834), (86, 3622239), (129, 2414826), (162, 1922917), (197, 1581282), (227, 1372302), (258, 1207413), (387, 804942), (394, 790641), (454, 686151), (591, 527094), (681, 457434), (774, 402471), (1161, 268314), (1182, 263547), (1362, 228717), (1773, 175698), (2043, 152478), (2322, 134157), (3483, 89438), (3546, 87849), (4086, 76239), (5319, 58566), (6129, 50826), (6966, 44719), (8471, 36774), (9761, 31914), (10638, 29283), (12258, 25413), (15957, 19522), (16942, 18387)]