81306738

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7669}}^1$

素因数の和:7727

約数の個数: 48

約数和(自身を含む): 191443200

約数和(自身を除く): 110136462

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 558, 589, 1178, 1767, 3534, 5301, 7669, 10602, 15338, 23007, 46014, 69021, 138042, 145711, 237739, 291422, 437133, 475478, 713217, 874266, 1311399, 1426434, 2139651, 2622798, 4279302, 4517041, 9034082, 13551123, 27102246, 40653369, 81306738]

約数ペア:

[(1, 81306738), (2, 40653369), (3, 27102246), (6, 13551123), (9, 9034082), (18, 4517041), (19, 4279302), (31, 2622798), (38, 2139651), (57, 1426434), (62, 1311399), (93, 874266), (114, 713217), (171, 475478), (186, 437133), (279, 291422), (342, 237739), (558, 145711), (589, 138042), (1178, 69021), (1767, 46014), (3534, 23007), (5301, 15338), (7669, 10602)]