628019721

素因数分解:

$3^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{9431}}^1$

素因数の和:9602

約数の個数: 36

約数和(自身を含む): 1062345024

約数和(自身を除く): 434325303

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 151, 441, 453, 1057, 1359, 3171, 7399, 9431, 9513, 22197, 28293, 66017, 66591, 84879, 198051, 462119, 594153, 1386357, 1424081, 4159071, 4272243, 9968567, 12816729, 29905701, 69779969, 89717103, 209339907, 628019721]

約数ペア:

[(1, 628019721), (3, 209339907), (7, 89717103), (9, 69779969), (21, 29905701), (49, 12816729), (63, 9968567), (147, 4272243), (151, 4159071), (441, 1424081), (453, 1386357), (1057, 594153), (1359, 462119), (3171, 198051), (7399, 84879), (9431, 66591), (9513, 66017), (22197, 28293)]