1520442021

素因数分解:

$3^1\times 7^2\times {\mathrm{1801}}^1\times {\mathrm{5743}}^1$

素因数の和:7561

約数の個数: 24

約数和(自身を含む): 2359956864

約数和(自身を除く): 839514843

約数列:

[1, 3, 7, 21, 49, 147, 1801, 5403, 5743, 12607, 17229, 37821, 40201, 88249, 120603, 264747, 281407, 844221, 10343143, 31029429, 72402001, 217206003, 506814007, 1520442021]

約数ペア:

[(1, 1520442021), (3, 506814007), (7, 217206003), (21, 72402001), (49, 31029429), (147, 10343143), (1801, 844221), (5403, 281407), (5743, 264747), (12607, 120603), (17229, 88249), (37821, 40201)]