917790811

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 1112964480

約数和(自身を除く): 195173669

約数列:

[1, 7, 29, 61, 137, 203, 427, 541, 959, 1769, 3787, 3973, 8357, 12383, 15689, 27811, 33001, 58499, 74117, 109823, 231007, 242353, 518819, 957029, 1696471, 2149393, 4521137, 6699203, 15045751, 31647959, 131112973, 917790811]

約数ペア:

[(1, 917790811), (7, 131112973), (29, 31647959), (61, 15045751), (137, 6699203), (203, 4521137), (427, 2149393), (541, 1696471), (959, 957029), (1769, 518819), (3787, 242353), (3973, 231007), (8357, 109823), (12383, 74117), (15689, 58499), (27811, 33001)]