768804561

素因数分解:

$3^3\times 7^2\times {\mathrm{173}}^1\times {\mathrm{3359}}^1$

素因数の和:3555

約数の個数: 48

約数和(自身を含む): 1332979200

約数和(自身を除く): 564174639

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 173, 189, 441, 519, 1211, 1323, 1557, 3359, 3633, 4671, 8477, 10077, 10899, 23513, 25431, 30231, 32697, 70539, 76293, 90693, 164591, 211617, 228879, 493773, 581107, 634851, 1481319, 1743321, 4067749, 4443957, 5229963, 12203247, 15689889, 28474243, 36609741, 85422729, 109829223, 256268187, 768804561]

約数ペア:

[(1, 768804561), (3, 256268187), (7, 109829223), (9, 85422729), (21, 36609741), (27, 28474243), (49, 15689889), (63, 12203247), (147, 5229963), (173, 4443957), (189, 4067749), (441, 1743321), (519, 1481319), (1211, 634851), (1323, 581107), (1557, 493773), (3359, 228879), (3633, 211617), (4671, 164591), (8477, 90693), (10077, 76293), (10899, 70539), (23513, 32697), (25431, 30231)]