201959715

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{220721}}^1$

素因数の和:220790

約数の個数: 16

約数和(自身を含む): 328434336

約数和(自身を除く): 126474621

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 220721, 662163, 1103605, 3310815, 13463981, 40391943, 67319905, 201959715]

約数ペア:

[(1, 201959715), (3, 67319905), (5, 40391943), (15, 13463981), (61, 3310815), (183, 1103605), (305, 662163), (915, 220721)]