81619497

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 130291200

約数和(自身を除く): 48671703

約数列:

[1, 3, 9, 19, 31, 57, 89, 93, 171, 173, 267, 279, 519, 589, 801, 1557, 1691, 1767, 2759, 3287, 5073, 5301, 5363, 8277, 9861, 15219, 15397, 16089, 24831, 29583, 46191, 48267, 52421, 101897, 138573, 157263, 292543, 305691, 471789, 477307, 877629, 917073, 1431921, 2632887, 4295763, 9068833, 27206499, 81619497]

約数ペア:

[(1, 81619497), (3, 27206499), (9, 9068833), (19, 4295763), (31, 2632887), (57, 1431921), (89, 917073), (93, 877629), (171, 477307), (173, 471789), (267, 305691), (279, 292543), (519, 157263), (589, 138573), (801, 101897), (1557, 52421), (1691, 48267), (1767, 46191), (2759, 29583), (3287, 24831), (5073, 16089), (5301, 15397), (5363, 15219), (8277, 9861)]