16819179

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 25159680

約数和(自身を除く): 8340501

約数列:

[1, 3, 13, 39, 53, 79, 103, 159, 237, 309, 689, 1027, 1339, 2067, 3081, 4017, 4187, 5459, 8137, 12561, 16377, 24411, 54431, 70967, 105781, 163293, 212901, 317343, 431261, 1293783, 5606393, 16819179]

約数ペア:

[(1, 16819179), (3, 5606393), (13, 1293783), (39, 431261), (53, 317343), (79, 212901), (103, 163293), (159, 105781), (237, 70967), (309, 54431), (689, 24411), (1027, 16377), (1339, 12561), (2067, 8137), (3081, 5459), (4017, 4187)]