81415455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 147904512

約数和(自身を除く): 66489057

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 121, 155, 165, 341, 363, 465, 605, 1023, 1447, 1705, 1815, 3751, 4341, 5115, 7235, 11253, 15917, 18755, 21705, 44857, 47751, 56265, 79585, 134571, 175087, 224285, 238755, 493427, 525261, 672855, 875435, 1480281, 2467135, 2626305, 5427697, 7401405, 16283091, 27138485, 81415455]

約数ペア:

[(1, 81415455), (3, 27138485), (5, 16283091), (11, 7401405), (15, 5427697), (31, 2626305), (33, 2467135), (55, 1480281), (93, 875435), (121, 672855), (155, 525261), (165, 493427), (341, 238755), (363, 224285), (465, 175087), (605, 134571), (1023, 79585), (1447, 56265), (1705, 47751), (1815, 44857), (3751, 21705), (4341, 18755), (5115, 15917), (7235, 11253)]