215041347

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{10729}}^1$

素因数の和:10883

約数の個数: 24

約数和(自身を含む): 331428240

約数和(自身を除く): 116386893

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 1179, 2227, 6681, 10729, 20043, 32187, 96561, 182393, 547179, 1405499, 1641537, 4216497, 12649491, 23893483, 71680449, 215041347]

約数ペア:

[(1, 215041347), (3, 71680449), (9, 23893483), (17, 12649491), (51, 4216497), (131, 1641537), (153, 1405499), (393, 547179), (1179, 182393), (2227, 96561), (6681, 32187), (10729, 20043)]