25750665

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 48471696

約数和(自身を除く): 22721031

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 697, 765, 821, 1845, 2091, 2463, 3485, 4105, 6273, 7389, 10455, 12315, 13957, 31365, 33661, 36945, 41871, 69785, 100983, 125613, 168305, 209355, 302949, 504915, 572237, 628065, 1514745, 1716711, 2861185, 5150133, 8583555, 25750665]

約数ペア:

[(1, 25750665), (3, 8583555), (5, 5150133), (9, 2861185), (15, 1716711), (17, 1514745), (41, 628065), (45, 572237), (51, 504915), (85, 302949), (123, 209355), (153, 168305), (205, 125613), (255, 100983), (369, 69785), (615, 41871), (697, 36945), (765, 33661), (821, 31365), (1845, 13957), (2091, 12315), (2463, 10455), (3485, 7389), (4105, 6273)]