26811375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 21710865

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 71, 75, 95, 125, 159, 213, 265, 285, 355, 375, 475, 795, 1007, 1065, 1325, 1349, 1425, 1775, 2375, 3021, 3763, 3975, 4047, 5035, 5325, 6625, 6745, 7125, 8875, 11289, 15105, 18815, 19875, 20235, 25175, 26625, 33725, 56445, 71497, 75525, 94075, 101175, 125875, 168625, 214491, 282225, 357485, 377625, 470375, 505875, 1072455, 1411125, 1787425, 5362275, 8937125, 26811375]

約数ペア:

[(1, 26811375), (3, 8937125), (5, 5362275), (15, 1787425), (19, 1411125), (25, 1072455), (53, 505875), (57, 470375), (71, 377625), (75, 357485), (95, 282225), (125, 214491), (159, 168625), (213, 125875), (265, 101175), (285, 94075), (355, 75525), (375, 71497), (475, 56445), (795, 33725), (1007, 26625), (1065, 25175), (1325, 20235), (1349, 19875), (1425, 18815), (1775, 15105), (2375, 11289), (3021, 8875), (3763, 7125), (3975, 6745), (4047, 6625), (5035, 5325)]