85785231

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 137894400

約数和(自身を除く): 52109169

約数列:

[1, 3, 7, 21, 49, 79, 83, 89, 147, 237, 249, 267, 553, 581, 623, 1659, 1743, 1869, 3871, 4067, 4361, 6557, 7031, 7387, 11613, 12201, 13083, 19671, 21093, 22161, 45899, 49217, 51709, 137697, 147651, 155127, 321293, 344519, 361963, 583573, 963879, 1033557, 1085889, 1750719, 4085011, 12255033, 28595077, 85785231]

約数ペア:

[(1, 85785231), (3, 28595077), (7, 12255033), (21, 4085011), (49, 1750719), (79, 1085889), (83, 1033557), (89, 963879), (147, 583573), (237, 361963), (249, 344519), (267, 321293), (553, 155127), (581, 147651), (623, 137697), (1659, 51709), (1743, 49217), (1869, 45899), (3871, 22161), (4067, 21093), (4361, 19671), (6557, 13083), (7031, 12201), (7387, 11613)]