311728554

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{15991}}^1$

素因数の和:16040

約数の個数: 48

約数和(自身を含む): 731154240

約数和(自身を除く): 419425686

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 1026, 1083, 2166, 3249, 6498, 9747, 15991, 19494, 31982, 47973, 95946, 143919, 287838, 303829, 431757, 607658, 863514, 911487, 1822974, 2734461, 5468922, 5772751, 8203383, 11545502, 16406766, 17318253, 34636506, 51954759, 103909518, 155864277, 311728554]

約数ペア:

[(1, 311728554), (2, 155864277), (3, 103909518), (6, 51954759), (9, 34636506), (18, 17318253), (19, 16406766), (27, 11545502), (38, 8203383), (54, 5772751), (57, 5468922), (114, 2734461), (171, 1822974), (342, 911487), (361, 863514), (513, 607658), (722, 431757), (1026, 303829), (1083, 287838), (2166, 143919), (3249, 95946), (6498, 47973), (9747, 31982), (15991, 19494)]