87919821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 149360640

約数和(自身を除く): 61440819

約数列:

[1, 3, 9, 11, 19, 33, 43, 57, 99, 129, 171, 209, 387, 473, 627, 817, 1087, 1419, 1881, 2451, 3261, 4257, 7353, 8987, 9783, 11957, 20653, 26961, 35871, 46741, 61959, 80883, 107613, 140223, 185877, 227183, 420669, 514151, 681549, 888079, 1542453, 2044647, 2664237, 4627359, 7992711, 9768869, 29306607, 87919821]

約数ペア:

[(1, 87919821), (3, 29306607), (9, 9768869), (11, 7992711), (19, 4627359), (33, 2664237), (43, 2044647), (57, 1542453), (99, 888079), (129, 681549), (171, 514151), (209, 420669), (387, 227183), (473, 185877), (627, 140223), (817, 107613), (1087, 80883), (1419, 61959), (1881, 46741), (2451, 35871), (3261, 26961), (4257, 20653), (7353, 11957), (8987, 9783)]