81920295

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12911}}^1$

素因数の和:12972

約数の個数: 32

約数和(自身を含む): 148746240

約数和(自身を除く): 66825945

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 12911, 38733, 64555, 116199, 193665, 348597, 580995, 606817, 1742985, 1820451, 3034085, 5461353, 9102255, 16384059, 27306765, 81920295]

約数ペア:

[(1, 81920295), (3, 27306765), (5, 16384059), (9, 9102255), (15, 5461353), (27, 3034085), (45, 1820451), (47, 1742985), (135, 606817), (141, 580995), (235, 348597), (423, 193665), (705, 116199), (1269, 64555), (2115, 38733), (6345, 12911)]