81426618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49711}}^1$

素因数の和:49739

約数の個数: 48

約数和(自身を含む): 217142016

約数和(自身を除く): 135715398

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 49711, 99422, 149133, 298266, 347977, 447399, 646243, 695954, 894798, 1043931, 1292486, 1938729, 2087862, 3131793, 3877458, 4523701, 5816187, 6263586, 9047402, 11632374, 13571103, 27142206, 40713309, 81426618]

約数ペア:

[(1, 81426618), (2, 40713309), (3, 27142206), (6, 13571103), (7, 11632374), (9, 9047402), (13, 6263586), (14, 5816187), (18, 4523701), (21, 3877458), (26, 3131793), (39, 2087862), (42, 1938729), (63, 1292486), (78, 1043931), (91, 894798), (117, 695954), (126, 646243), (182, 447399), (234, 347977), (273, 298266), (546, 149133), (819, 99422), (1638, 49711)]