2155121631

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{48859}}^1$

素因数の和:48920

約数の個数: 36

約数和(自身を含む): 3487138200

約数和(自身を除く): 1332016569

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 169, 261, 377, 507, 1131, 1521, 3393, 4901, 14703, 44109, 48859, 146577, 439731, 635167, 1416911, 1905501, 4250733, 5716503, 8257171, 12752199, 18419843, 24771513, 55259529, 74314539, 165778587, 239457959, 718373877, 2155121631]

約数ペア:

[(1, 2155121631), (3, 718373877), (9, 239457959), (13, 165778587), (29, 74314539), (39, 55259529), (87, 24771513), (117, 18419843), (169, 12752199), (261, 8257171), (377, 5716503), (507, 4250733), (1131, 1905501), (1521, 1416911), (3393, 635167), (4901, 439731), (14703, 146577), (44109, 48859)]