158998749

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 266471424

約数和(自身を除く): 107472675

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 169, 213, 273, 497, 507, 631, 923, 1183, 1491, 1893, 2769, 3549, 4417, 6461, 8203, 11999, 13251, 19383, 24609, 35997, 44801, 57421, 83993, 106639, 134403, 172263, 251979, 313607, 319917, 582413, 746473, 940821, 1747239, 2239419, 4076891, 7571369, 12230673, 22714107, 52999583, 158998749]

約数ペア:

[(1, 158998749), (3, 52999583), (7, 22714107), (13, 12230673), (21, 7571369), (39, 4076891), (71, 2239419), (91, 1747239), (169, 940821), (213, 746473), (273, 582413), (497, 319917), (507, 313607), (631, 251979), (923, 172263), (1183, 134403), (1491, 106639), (1893, 83993), (2769, 57421), (3549, 44801), (4417, 35997), (6461, 24609), (8203, 19383), (11999, 13251)]