205386909

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5743}}^1$

素因数の和:5897

約数の個数: 32

約数和(自身を含む): 339677184

約数和(自身を除く): 134290275

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 917, 1703, 2751, 5109, 5743, 11921, 17229, 35763, 40201, 74659, 120603, 223977, 522613, 752333, 1567839, 2256999, 5266331, 9780329, 15798993, 29340987, 68462303, 205386909]

約数ペア:

[(1, 205386909), (3, 68462303), (7, 29340987), (13, 15798993), (21, 9780329), (39, 5266331), (91, 2256999), (131, 1567839), (273, 752333), (393, 522613), (917, 223977), (1703, 120603), (2751, 74659), (5109, 40201), (5743, 35763), (11921, 17229)]