13215798

素因数分解:

$2^1\times 3^5\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 16975818

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 243, 383, 426, 486, 639, 766, 1149, 1278, 1917, 2298, 3447, 3834, 5751, 6894, 10341, 11502, 17253, 20682, 27193, 31023, 34506, 54386, 62046, 81579, 93069, 163158, 186138, 244737, 489474, 734211, 1468422, 2202633, 4405266, 6607899, 13215798]

約数ペア:

[(1, 13215798), (2, 6607899), (3, 4405266), (6, 2202633), (9, 1468422), (18, 734211), (27, 489474), (54, 244737), (71, 186138), (81, 163158), (142, 93069), (162, 81579), (213, 62046), (243, 54386), (383, 34506), (426, 31023), (486, 27193), (639, 20682), (766, 17253), (1149, 11502), (1278, 10341), (1917, 6894), (2298, 5751), (3447, 3834)]