1221552465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{612307}}^1$

素因数の和:612341

約数の個数: 32

約数和(自身を含む): 2351262720

約数和(自身を除く): 1129710255

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 612307, 1836921, 3061535, 4286149, 9184605, 11633833, 12858447, 21430745, 34901499, 58169165, 64292235, 81436831, 174507495, 244310493, 407184155, 1221552465]

約数ペア:

[(1, 1221552465), (3, 407184155), (5, 244310493), (7, 174507495), (15, 81436831), (19, 64292235), (21, 58169165), (35, 34901499), (57, 21430745), (95, 12858447), (105, 11633833), (133, 9184605), (285, 4286149), (399, 3061535), (665, 1836921), (1995, 612307)]