219070761

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{4483}}^1$

素因数の和:4685

約数の個数: 32

約数和(自身を含む): 361589760

約数和(自身を除く): 142518999

約数列:

[1, 3, 7, 13, 21, 39, 91, 179, 273, 537, 1253, 2327, 3759, 4483, 6981, 13449, 16289, 31381, 48867, 58279, 94143, 174837, 407953, 802457, 1223859, 2407371, 5617199, 10431941, 16851597, 31295823, 73023587, 219070761]

約数ペア:

[(1, 219070761), (3, 73023587), (7, 31295823), (13, 16851597), (21, 10431941), (39, 5617199), (91, 2407371), (179, 1223859), (273, 802457), (537, 407953), (1253, 174837), (2327, 94143), (3759, 58279), (4483, 48867), (6981, 31381), (13449, 16289)]