85969815

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 141419520

約数和(自身を除く): 55449705

約数列:

[1, 3, 5, 15, 47, 141, 197, 235, 591, 619, 705, 985, 1857, 2955, 3095, 9259, 9285, 27777, 29093, 46295, 87279, 121943, 138885, 145465, 365829, 436395, 609715, 1829145, 5731321, 17193963, 28656605, 85969815]

約数ペア:

[(1, 85969815), (3, 28656605), (5, 17193963), (15, 5731321), (47, 1829145), (141, 609715), (197, 436395), (235, 365829), (591, 145465), (619, 138885), (705, 121943), (985, 87279), (1857, 46295), (2955, 29093), (3095, 27777), (9259, 9285)]