418880253

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1723}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 625605120

約数和(自身を除く): 206724867

約数列:

[1, 3, 11, 33, 53, 139, 159, 417, 583, 1529, 1723, 1749, 4587, 5169, 7367, 18953, 22101, 56859, 81037, 91319, 239497, 243111, 273957, 718491, 1004509, 2634467, 3013527, 7903401, 12693341, 38080023, 139626751, 418880253]

約数ペア:

[(1, 418880253), (3, 139626751), (11, 38080023), (33, 12693341), (53, 7903401), (139, 3013527), (159, 2634467), (417, 1004509), (583, 718491), (1529, 273957), (1723, 243111), (1749, 239497), (4587, 91319), (5169, 81037), (7367, 56859), (18953, 22101)]