121009995

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{499}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 223236000

約数和(自身を除く): 102226005

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 317, 499, 765, 951, 1497, 1585, 2495, 2853, 4491, 4755, 5389, 7485, 8483, 14265, 16167, 22455, 25449, 26945, 42415, 48501, 76347, 80835, 127245, 158183, 242505, 381735, 474549, 790915, 1423647, 2372745, 2689111, 7118235, 8067333, 13445555, 24201999, 40336665, 121009995]

約数ペア:

[(1, 121009995), (3, 40336665), (5, 24201999), (9, 13445555), (15, 8067333), (17, 7118235), (45, 2689111), (51, 2372745), (85, 1423647), (153, 790915), (255, 474549), (317, 381735), (499, 242505), (765, 158183), (951, 127245), (1497, 80835), (1585, 76347), (2495, 48501), (2853, 42415), (4491, 26945), (4755, 25449), (5389, 22455), (7485, 16167), (8483, 14265)]