65842215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 110799360

約数和(自身を除く): 44957145

約数列:

[1, 3, 5, 15, 23, 69, 115, 139, 345, 417, 695, 1373, 2085, 3197, 4119, 6865, 9591, 15985, 20595, 31579, 47955, 94737, 157895, 190847, 473685, 572541, 954235, 2862705, 4389481, 13168443, 21947405, 65842215]

約数ペア:

[(1, 65842215), (3, 21947405), (5, 13168443), (15, 4389481), (23, 2862705), (69, 954235), (115, 572541), (139, 473685), (345, 190847), (417, 157895), (695, 94737), (1373, 47955), (2085, 31579), (3197, 20595), (4119, 15985), (6865, 9591)]