28737837

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 46545408

約数和(自身を除く): 17807571

約数列:

[1, 3, 9, 17, 31, 51, 73, 83, 93, 153, 219, 249, 279, 527, 657, 747, 1241, 1411, 1581, 2263, 2573, 3723, 4233, 4743, 6059, 6789, 7719, 11169, 12699, 18177, 20367, 23157, 38471, 43741, 54531, 103003, 115413, 131223, 187829, 309009, 346239, 393669, 563487, 927027, 1690461, 3193093, 9579279, 28737837]

約数ペア:

[(1, 28737837), (3, 9579279), (9, 3193093), (17, 1690461), (31, 927027), (51, 563487), (73, 393669), (83, 346239), (93, 309009), (153, 187829), (219, 131223), (249, 115413), (279, 103003), (527, 54531), (657, 43741), (747, 38471), (1241, 23157), (1411, 20367), (1581, 18177), (2263, 12699), (2573, 11169), (3723, 7719), (4233, 6789), (4743, 6059)]