2017387203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1\times {\mathrm{661}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 2927205120

約数和(自身を除く): 909817917

約数列:

[1, 3, 13, 39, 139, 417, 563, 661, 1689, 1807, 1983, 5421, 7319, 8593, 21957, 25779, 78257, 91879, 234771, 275637, 372143, 1017341, 1116429, 1194427, 3052023, 3583281, 4837859, 14513577, 51727877, 155183631, 672462401, 2017387203]

約数ペア:

[(1, 2017387203), (3, 672462401), (13, 155183631), (39, 51727877), (139, 14513577), (417, 4837859), (563, 3583281), (661, 3052023), (1689, 1194427), (1807, 1116429), (1983, 1017341), (5421, 372143), (7319, 275637), (8593, 234771), (21957, 91879), (25779, 78257)]