279269367

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 407328768

約数和(自身を除く): 128059401

約数列:

[1, 3, 13, 39, 163, 197, 223, 489, 591, 669, 2119, 2561, 2899, 6357, 7683, 8697, 32111, 36349, 43931, 96333, 109047, 131793, 417443, 472537, 571103, 1252329, 1417611, 1713309, 7160753, 21482259, 93089789, 279269367]

約数ペア:

[(1, 279269367), (3, 93089789), (13, 21482259), (39, 7160753), (163, 1713309), (197, 1417611), (223, 1252329), (489, 571103), (591, 472537), (669, 417443), (2119, 131793), (2561, 109047), (2899, 96333), (6357, 43931), (7683, 36349), (8697, 32111)]