156948981

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{3209}}^1$

素因数の和:3373

約数の個数: 32

約数和(自身を含む): 255156480

約数和(自身を除く): 98207499

約数列:

[1, 3, 7, 17, 21, 51, 119, 137, 357, 411, 959, 2329, 2877, 3209, 6987, 9627, 16303, 22463, 48909, 54553, 67389, 163659, 381871, 439633, 1145613, 1318899, 3077431, 7473761, 9232293, 22421283, 52316327, 156948981]

約数ペア:

[(1, 156948981), (3, 52316327), (7, 22421283), (17, 9232293), (21, 7473761), (51, 3077431), (119, 1318899), (137, 1145613), (357, 439633), (411, 381871), (959, 163659), (2329, 67389), (2877, 54553), (3209, 48909), (6987, 22463), (9627, 16303)]