681891984447

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{3179117}}^1$

素因数の和:3179263

約数の個数: 32

約数和(自身を含む): 988832862720

約数和(自身を除く): 306940878273

約数列:

[1, 3, 19, 53, 57, 71, 159, 213, 1007, 1349, 3021, 3763, 4047, 11289, 71497, 214491, 3179117, 9537351, 60403223, 168493201, 181209669, 225717307, 505479603, 677151921, 3201370819, 4288628833, 9604112457, 11963017271, 12865886499, 35889051813, 227297328149, 681891984447]

約数ペア:

[(1, 681891984447), (3, 227297328149), (19, 35889051813), (53, 12865886499), (57, 11963017271), (71, 9604112457), (159, 4288628833), (213, 3201370819), (1007, 677151921), (1349, 505479603), (3021, 225717307), (3763, 181209669), (4047, 168493201), (11289, 60403223), (71497, 9537351), (214491, 3179117)]