87850251

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 137214000

約数和(自身を除く): 49363749

約数列:

[1, 3, 9, 27, 29, 81, 87, 149, 251, 261, 447, 753, 783, 1341, 2259, 2349, 4023, 4321, 6777, 7279, 12069, 12963, 20331, 21837, 37399, 38889, 65511, 112197, 116667, 196533, 336591, 350001, 589599, 1009773, 1084571, 3029319, 3253713, 9761139, 29283417, 87850251]

約数ペア:

[(1, 87850251), (3, 29283417), (9, 9761139), (27, 3253713), (29, 3029319), (81, 1084571), (87, 1009773), (149, 589599), (251, 350001), (261, 336591), (447, 196533), (753, 116667), (783, 112197), (1341, 65511), (2259, 38889), (2349, 37399), (4023, 21837), (4321, 20331), (6777, 12963), (7279, 12069)]