30901905

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1919

約数の個数: 40

約数和(自身を含む): 56776104

約数和(自身を除く): 25874199

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 369, 405, 615, 1107, 1845, 1861, 3321, 5535, 5583, 9305, 16605, 16749, 27915, 50247, 76301, 83745, 150741, 228903, 251235, 381505, 686709, 753705, 1144515, 2060127, 3433545, 6180381, 10300635, 30901905]

約数ペア:

[(1, 30901905), (3, 10300635), (5, 6180381), (9, 3433545), (15, 2060127), (27, 1144515), (41, 753705), (45, 686709), (81, 381505), (123, 251235), (135, 228903), (205, 150741), (369, 83745), (405, 76301), (615, 50247), (1107, 27915), (1845, 16749), (1861, 16605), (3321, 9305), (5535, 5583)]