218129079

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8521}}^1$

素因数の和:8607

約数の個数: 32

約数和(自身を含む): 353424384

約数和(自身を除く): 135295305

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 371, 483, 1113, 1219, 3657, 8521, 8533, 25563, 25599, 59647, 178941, 195983, 451613, 587949, 1354839, 1371881, 3161291, 4115643, 9483873, 10387099, 31161297, 72709693, 218129079]

約数ペア:

[(1, 218129079), (3, 72709693), (7, 31161297), (21, 10387099), (23, 9483873), (53, 4115643), (69, 3161291), (159, 1371881), (161, 1354839), (371, 587949), (483, 451613), (1113, 195983), (1219, 178941), (3657, 59647), (8521, 25599), (8533, 25563)]