251160915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4253}}^1$

素因数の和:4419

約数の個数: 32

約数和(自身を含む): 418185216

約数和(自身を除く): 167024301

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 381, 465, 635, 1905, 3937, 4253, 11811, 12759, 19685, 21265, 59055, 63795, 131843, 395529, 540131, 659215, 1620393, 1977645, 2700655, 8101965, 16744061, 50232183, 83720305, 251160915]

約数ペア:

[(1, 251160915), (3, 83720305), (5, 50232183), (15, 16744061), (31, 8101965), (93, 2700655), (127, 1977645), (155, 1620393), (381, 659215), (465, 540131), (635, 395529), (1905, 131843), (3937, 63795), (4253, 59055), (11811, 21265), (12759, 19685)]