217415529

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 330871680

約数和(自身を除く): 113456151

約数列:

[1, 3, 9, 27, 61, 101, 183, 303, 549, 909, 1307, 1647, 2727, 3921, 6161, 11763, 18483, 35289, 55449, 79727, 132007, 166347, 239181, 396021, 717543, 1188063, 2152629, 3564189, 8052427, 24157281, 72471843, 217415529]

約数ペア:

[(1, 217415529), (3, 72471843), (9, 24157281), (27, 8052427), (61, 3564189), (101, 2152629), (183, 1188063), (303, 717543), (549, 396021), (909, 239181), (1307, 166347), (1647, 132007), (2727, 79727), (3921, 55449), (6161, 35289), (11763, 18483)]