216859503

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 339804160

約数和(自身を除く): 122944657

約数列:

[1, 3, 7, 21, 67, 79, 201, 237, 469, 553, 1407, 1659, 1951, 5293, 5853, 13657, 15879, 37051, 40971, 111153, 130717, 154129, 392151, 462387, 915019, 1078903, 2745057, 3236709, 10326643, 30979929, 72286501, 216859503]

約数ペア:

[(1, 216859503), (3, 72286501), (7, 30979929), (21, 10326643), (67, 3236709), (79, 2745057), (201, 1078903), (237, 915019), (469, 462387), (553, 392151), (1407, 154129), (1659, 130717), (1951, 111153), (5293, 40971), (5853, 37051), (13657, 15879)]