28070133

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 46368000

約数和(自身を除く): 18297867

約数列:

[1, 3, 7, 13, 21, 39, 91, 229, 273, 449, 687, 1347, 1603, 2977, 3143, 4809, 5837, 8931, 9429, 17511, 20839, 40859, 62517, 102821, 122577, 308463, 719747, 1336673, 2159241, 4010019, 9356711, 28070133]

約数ペア:

[(1, 28070133), (3, 9356711), (7, 4010019), (13, 2159241), (21, 1336673), (39, 719747), (91, 308463), (229, 122577), (273, 102821), (449, 62517), (687, 40859), (1347, 20839), (1603, 17511), (2977, 9429), (3143, 8931), (4809, 5837)]