219317763

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1951}}^1$

素因数の和:2115

約数の個数: 32

約数和(自身を含む): 344051712

約数和(自身を除く): 124733949

約数列:

[1, 3, 7, 21, 53, 101, 159, 303, 371, 707, 1113, 1951, 2121, 5353, 5853, 13657, 16059, 37471, 40971, 103403, 112413, 197051, 310209, 591153, 723821, 1379357, 2171463, 4138071, 10443703, 31331109, 73105921, 219317763]

約数ペア:

[(1, 219317763), (3, 73105921), (7, 31331109), (21, 10443703), (53, 4138071), (101, 2171463), (159, 1379357), (303, 723821), (371, 591153), (707, 310209), (1113, 197051), (1951, 112413), (2121, 103403), (5353, 40971), (5853, 37471), (13657, 16059)]