2028081045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{827}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 3519728640

約数和(自身を除く): 1491647595

約数列:

[1, 3, 5, 15, 17, 51, 59, 85, 163, 177, 255, 295, 489, 815, 827, 885, 1003, 2445, 2481, 2771, 3009, 4135, 5015, 8313, 9617, 12405, 13855, 14059, 15045, 28851, 41565, 42177, 48085, 48793, 70295, 134801, 144255, 146379, 163489, 210885, 243965, 404403, 490467, 674005, 731895, 817445, 829481, 2022015, 2291617, 2452335, 2488443, 4147405, 6874851, 7953259, 11458085, 12442215, 23859777, 34374255, 39766295, 119298885, 135205403, 405616209, 676027015, 2028081045]

約数ペア:

[(1, 2028081045), (3, 676027015), (5, 405616209), (15, 135205403), (17, 119298885), (51, 39766295), (59, 34374255), (85, 23859777), (163, 12442215), (177, 11458085), (255, 7953259), (295, 6874851), (489, 4147405), (815, 2488443), (827, 2452335), (885, 2291617), (1003, 2022015), (2445, 829481), (2481, 817445), (2771, 731895), (3009, 674005), (4135, 490467), (5015, 404403), (8313, 243965), (9617, 210885), (12405, 163489), (13855, 146379), (14059, 144255), (15045, 134801), (28851, 70295), (41565, 48793), (42177, 48085)]