173730921

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{90911}}^1$

素因数の和:90941

約数の個数: 24

約数和(自身を含む): 290191104

約数和(自身を除く): 116460183

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 90911, 272733, 636377, 1181843, 1909131, 3545529, 4454639, 8272901, 13363917, 24818703, 57910307, 173730921]

約数ペア:

[(1, 173730921), (3, 57910307), (7, 24818703), (13, 13363917), (21, 8272901), (39, 4454639), (49, 3545529), (91, 1909131), (147, 1181843), (273, 636377), (637, 272733), (1911, 90911)]