1970895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 3421440

約数和(自身を除く): 1450545

約数列:

[1, 3, 5, 15, 17, 51, 59, 85, 131, 177, 255, 295, 393, 655, 885, 1003, 1965, 2227, 3009, 5015, 6681, 7729, 11135, 15045, 23187, 33405, 38645, 115935, 131393, 394179, 656965, 1970895]

約数ペア:

[(1, 1970895), (3, 656965), (5, 394179), (15, 131393), (17, 115935), (51, 38645), (59, 33405), (85, 23187), (131, 15045), (177, 11135), (255, 7729), (295, 6681), (393, 5015), (655, 3009), (885, 2227), (1003, 1965)]