2145065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 2822736

約数和(自身を除く): 677671

約数列:

[1, 5, 13, 61, 65, 305, 541, 793, 2705, 3965, 7033, 33001, 35165, 165005, 429013, 2145065]

約数ペア:

[(1, 2145065), (5, 429013), (13, 165005), (61, 35165), (65, 33001), (305, 7033), (541, 3965), (793, 2705)]