31138017

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 14481183

約数列:

[1, 3, 19, 47, 57, 59, 141, 177, 197, 591, 893, 1121, 2679, 2773, 3363, 3743, 8319, 9259, 11229, 11623, 27777, 34869, 52687, 158061, 175921, 220837, 527763, 546281, 662511, 1638843, 10379339, 31138017]

約数ペア:

[(1, 31138017), (3, 10379339), (19, 1638843), (47, 662511), (57, 546281), (59, 527763), (141, 220837), (177, 175921), (197, 158061), (591, 52687), (893, 34869), (1121, 27777), (2679, 11623), (2773, 11229), (3363, 9259), (3743, 8319)]