199452861

素因数分解:

$3^4\times {\mathrm{19}}^3\times {\mathrm{359}}^1$

素因数の和:428

約数の個数: 40

約数和(自身を含む): 315374400

約数和(自身を除く): 115921539

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 359, 361, 513, 1077, 1083, 1539, 3231, 3249, 6821, 6859, 9693, 9747, 20463, 20577, 29079, 29241, 61389, 61731, 129599, 184167, 185193, 388797, 552501, 555579, 1166391, 2462381, 3499173, 7387143, 10497519, 22161429, 66484287, 199452861]

約数ペア:

[(1, 199452861), (3, 66484287), (9, 22161429), (19, 10497519), (27, 7387143), (57, 3499173), (81, 2462381), (171, 1166391), (359, 555579), (361, 552501), (513, 388797), (1077, 185193), (1083, 184167), (1539, 129599), (3231, 61731), (3249, 61389), (6821, 29241), (6859, 29079), (9693, 20577), (9747, 20463)]