331506357

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 580608000

約数和(自身を除く): 249101643

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 79, 91, 133, 237, 247, 273, 399, 553, 741, 809, 1027, 1501, 1659, 1729, 2427, 3081, 4503, 5187, 5663, 7189, 10507, 10517, 15371, 16989, 19513, 21567, 31521, 31551, 46113, 58539, 63911, 73619, 107597, 136591, 191733, 199823, 220857, 322791, 409773, 447377, 599469, 830843, 1214309, 1342131, 1398761, 2492529, 3642927, 4196283, 5815901, 8500163, 15786017, 17447703, 25500489, 47358051, 110502119, 331506357]

約数ペア:

[(1, 331506357), (3, 110502119), (7, 47358051), (13, 25500489), (19, 17447703), (21, 15786017), (39, 8500163), (57, 5815901), (79, 4196283), (91, 3642927), (133, 2492529), (237, 1398761), (247, 1342131), (273, 1214309), (399, 830843), (553, 599469), (741, 447377), (809, 409773), (1027, 322791), (1501, 220857), (1659, 199823), (1729, 191733), (2427, 136591), (3081, 107597), (4503, 73619), (5187, 63911), (5663, 58539), (7189, 46113), (10507, 31551), (10517, 31521), (15371, 21567), (16989, 19513)]