7372989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 12383280

約数和(自身を除く): 5010291

約数列:

[1, 3, 9, 13, 29, 39, 41, 53, 87, 117, 123, 159, 261, 369, 377, 477, 533, 689, 1131, 1189, 1537, 1599, 2067, 2173, 3393, 3567, 4611, 4797, 6201, 6519, 10701, 13833, 15457, 19557, 19981, 28249, 46371, 59943, 63017, 84747, 139113, 179829, 189051, 254241, 567153, 819221, 2457663, 7372989]

約数ペア:

[(1, 7372989), (3, 2457663), (9, 819221), (13, 567153), (29, 254241), (39, 189051), (41, 179829), (53, 139113), (87, 84747), (117, 63017), (123, 59943), (159, 46371), (261, 28249), (369, 19981), (377, 19557), (477, 15457), (533, 13833), (689, 10701), (1131, 6519), (1189, 6201), (1537, 4797), (1599, 4611), (2067, 3567), (2173, 3393)]