1245162891

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 2096455680

約数和(自身を除く): 851292789

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 241, 399, 437, 483, 563, 723, 1311, 1687, 1689, 3059, 3941, 4579, 5061, 5543, 9177, 10697, 11823, 12949, 13737, 16629, 32053, 32091, 38801, 38847, 74879, 90643, 96159, 105317, 116403, 135683, 224637, 246031, 271929, 315951, 407049, 737219, 738093, 949781, 1722217, 2211657, 2577977, 2849343, 3120709, 5166651, 7733931, 9362127, 18045839, 21844963, 54137517, 59293471, 65534889, 177880413, 415054297, 1245162891]

約数ペア:

[(1, 1245162891), (3, 415054297), (7, 177880413), (19, 65534889), (21, 59293471), (23, 54137517), (57, 21844963), (69, 18045839), (133, 9362127), (161, 7733931), (241, 5166651), (399, 3120709), (437, 2849343), (483, 2577977), (563, 2211657), (723, 1722217), (1311, 949781), (1687, 738093), (1689, 737219), (3059, 407049), (3941, 315951), (4579, 271929), (5061, 246031), (5543, 224637), (9177, 135683), (10697, 116403), (11823, 105317), (12949, 96159), (13737, 90643), (16629, 74879), (32053, 38847), (32091, 38801)]