1978777155

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{27239}}^1$

素因数の和:27443

約数の個数: 32

約数和(自身を含む): 3294950400

約数和(自身を除く): 1316173245

約数列:

[1, 3, 5, 15, 29, 87, 145, 167, 435, 501, 835, 2505, 4843, 14529, 24215, 27239, 72645, 81717, 136195, 408585, 789931, 2369793, 3949655, 4548913, 11848965, 13646739, 22744565, 68233695, 131918477, 395755431, 659592385, 1978777155]

約数ペア:

[(1, 1978777155), (3, 659592385), (5, 395755431), (15, 131918477), (29, 68233695), (87, 22744565), (145, 13646739), (167, 11848965), (435, 4548913), (501, 3949655), (835, 2369793), (2505, 789931), (4843, 408585), (14529, 136195), (24215, 81717), (27239, 72645)]