31780026

素因数分解:

$2^1\times 3^6\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:398

約数の個数: 56

約数和(自身を含む): 72715104

約数和(自身を除く): 40935078

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 243, 307, 426, 486, 614, 639, 729, 921, 1278, 1458, 1842, 1917, 2763, 3834, 5526, 5751, 8289, 11502, 16578, 17253, 21797, 24867, 34506, 43594, 49734, 51759, 65391, 74601, 103518, 130782, 149202, 196173, 223803, 392346, 447606, 588519, 1177038, 1765557, 3531114, 5296671, 10593342, 15890013, 31780026]

約数ペア:

[(1, 31780026), (2, 15890013), (3, 10593342), (6, 5296671), (9, 3531114), (18, 1765557), (27, 1177038), (54, 588519), (71, 447606), (81, 392346), (142, 223803), (162, 196173), (213, 149202), (243, 130782), (307, 103518), (426, 74601), (486, 65391), (614, 51759), (639, 49734), (729, 43594), (921, 34506), (1278, 24867), (1458, 21797), (1842, 17253), (1917, 16578), (2763, 11502), (3834, 8289), (5526, 5751)]