81493815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9719}}^1$

素因数の和:9783

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 62206665

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 9719, 29157, 48595, 126347, 145785, 379041, 417917, 631735, 1253751, 1895205, 2089585, 5432921, 6268755, 16298763, 27164605, 81493815]

約数ペア:

[(1, 81493815), (3, 27164605), (5, 16298763), (13, 6268755), (15, 5432921), (39, 2089585), (43, 1895205), (65, 1253751), (129, 631735), (195, 417917), (215, 379041), (559, 145785), (645, 126347), (1677, 48595), (2795, 29157), (8385, 9719)]