391874109

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 594886656

約数和(自身を除く): 203012547

約数列:

[1, 3, 11, 33, 47, 103, 121, 141, 223, 309, 363, 517, 669, 1133, 1551, 2453, 3399, 4841, 5687, 7359, 10481, 12463, 14523, 17061, 22969, 26983, 31443, 37389, 53251, 68907, 80949, 115291, 159753, 252659, 345873, 585761, 757977, 1079543, 1268201, 1757283, 2779249, 3238629, 3804603, 8337747, 11874973, 35624919, 130624703, 391874109]

約数ペア:

[(1, 391874109), (3, 130624703), (11, 35624919), (33, 11874973), (47, 8337747), (103, 3804603), (121, 3238629), (141, 2779249), (223, 1757283), (309, 1268201), (363, 1079543), (517, 757977), (669, 585761), (1133, 345873), (1551, 252659), (2453, 159753), (3399, 115291), (4841, 80949), (5687, 68907), (7359, 53251), (10481, 37389), (12463, 31443), (14523, 26983), (17061, 22969)]