648425565549

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{509}}^1\times {\mathrm{890231}}^1$

素因数の和:890802

約数の個数: 32

約数和(自身を含む): 980679571200

約数和(自身を除く): 332254005651

約数列:

[1, 3, 9, 27, 53, 159, 477, 509, 1431, 1527, 4581, 13743, 26977, 80931, 242793, 728379, 890231, 2670693, 8012079, 24036237, 47182243, 141546729, 424640187, 453127579, 1273920561, 1359382737, 4078148211, 12234444633, 24015761687, 72047285061, 216141855183, 648425565549]

約数ペア:

[(1, 648425565549), (3, 216141855183), (9, 72047285061), (27, 24015761687), (53, 12234444633), (159, 4078148211), (477, 1359382737), (509, 1273920561), (1431, 453127579), (1527, 424640187), (4581, 141546729), (13743, 47182243), (26977, 24036237), (80931, 8012079), (242793, 2670693), (728379, 890231)]