1215378

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 2747520

約数和(自身を除く): 1532142

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 317, 426, 634, 639, 951, 1278, 1902, 1917, 2853, 3834, 5706, 8559, 17118, 22507, 45014, 67521, 135042, 202563, 405126, 607689, 1215378]

約数ペア:

[(1, 1215378), (2, 607689), (3, 405126), (6, 202563), (9, 135042), (18, 67521), (27, 45014), (54, 22507), (71, 17118), (142, 8559), (213, 5706), (317, 3834), (426, 2853), (634, 1917), (639, 1902), (951, 1278)]