20251215

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1661

約数の個数: 40

約数和(自身を含む): 37496448

約数和(自身を除く): 17245233

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 1613, 2511, 4185, 4839, 8065, 12555, 14517, 24195, 43551, 50003, 72585, 130653, 150009, 217755, 250015, 450027, 653265, 750045, 1350081, 2250135, 4050243, 6750405, 20251215]

約数ペア:

[(1, 20251215), (3, 6750405), (5, 4050243), (9, 2250135), (15, 1350081), (27, 750045), (31, 653265), (45, 450027), (81, 250015), (93, 217755), (135, 150009), (155, 130653), (279, 72585), (405, 50003), (465, 43551), (837, 24195), (1395, 14517), (1613, 12555), (2511, 8065), (4185, 4839)]