1221796251

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{4423}}^1$

素因数の和:5232

約数の個数: 32

約数和(自身を含む): 1952222720

約数和(自身を除く): 730426469

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 787, 2361, 4423, 7083, 10231, 13269, 21249, 30693, 39807, 57499, 92079, 119421, 172497, 276237, 517491, 1552473, 3480901, 10442703, 31328109, 45251713, 93984327, 135755139, 407265417, 1221796251]

約数ペア:

[(1, 1221796251), (3, 407265417), (9, 135755139), (13, 93984327), (27, 45251713), (39, 31328109), (117, 10442703), (351, 3480901), (787, 1552473), (2361, 517491), (4423, 276237), (7083, 172497), (10231, 119421), (13269, 92079), (21249, 57499), (30693, 39807)]