201215205

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16747}}^1$

素因数の和:16850

約数の個数: 32

約数和(自身を含む): 361756800

約数和(自身を除く): 160541595

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2403, 4005, 12015, 16747, 50241, 83735, 150723, 251205, 452169, 753615, 1490483, 2260845, 4471449, 7452415, 13414347, 22357245, 40243041, 67071735, 201215205]

約数ペア:

[(1, 201215205), (3, 67071735), (5, 40243041), (9, 22357245), (15, 13414347), (27, 7452415), (45, 4471449), (89, 2260845), (135, 1490483), (267, 753615), (445, 452169), (801, 251205), (1335, 150723), (2403, 83735), (4005, 50241), (12015, 16747)]