67990455

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2039}}^1$

素因数の和:2085

約数の個数: 64

約数和(自身を含む): 137088000

約数和(自身を除く): 69097545

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 513, 585, 741, 855, 1235, 1755, 2039, 2223, 2565, 3705, 6117, 6669, 10195, 11115, 18351, 26507, 30585, 33345, 38741, 55053, 79521, 91755, 116223, 132535, 193705, 238563, 275265, 348669, 397605, 503633, 581115, 715689, 1046007, 1192815, 1510899, 1743345, 2518165, 3578445, 4532697, 5230035, 7554495, 13598091, 22663485, 67990455]

約数ペア:

[(1, 67990455), (3, 22663485), (5, 13598091), (9, 7554495), (13, 5230035), (15, 4532697), (19, 3578445), (27, 2518165), (39, 1743345), (45, 1510899), (57, 1192815), (65, 1046007), (95, 715689), (117, 581115), (135, 503633), (171, 397605), (195, 348669), (247, 275265), (285, 238563), (351, 193705), (513, 132535), (585, 116223), (741, 91755), (855, 79521), (1235, 55053), (1755, 38741), (2039, 33345), (2223, 30585), (2565, 26507), (3705, 18351), (6117, 11115), (6669, 10195)]