15208921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1723}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 18922624

約数和(自身を除く): 3713703

約数列:

[1, 7, 13, 91, 97, 679, 1261, 1723, 8827, 12061, 22399, 156793, 167131, 1169917, 2172703, 15208921]

約数ペア:

[(1, 15208921), (7, 2172703), (13, 1169917), (91, 167131), (97, 156793), (679, 22399), (1261, 12061), (1723, 8827)]