168640137

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 258093000

約数和(自身を除く): 89452863

約数列:

[1, 3, 9, 27, 81, 89, 149, 157, 267, 447, 471, 801, 1341, 1413, 2403, 4023, 4239, 7209, 12069, 12717, 13261, 13973, 23393, 39783, 41919, 70179, 119349, 125757, 210537, 358047, 377271, 631611, 1074141, 1131813, 1894833, 2081977, 6245931, 18737793, 56213379, 168640137]

約数ペア:

[(1, 168640137), (3, 56213379), (9, 18737793), (27, 6245931), (81, 2081977), (89, 1894833), (149, 1131813), (157, 1074141), (267, 631611), (447, 377271), (471, 358047), (801, 210537), (1341, 125757), (1413, 119349), (2403, 70179), (4023, 41919), (4239, 39783), (7209, 23393), (12069, 13973), (12717, 13261)]