68206815

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 122522400

約数和(自身を除く): 54315585

約数列:

[1, 3, 5, 9, 15, 43, 45, 101, 129, 215, 303, 349, 387, 505, 645, 909, 1047, 1515, 1745, 1935, 3141, 4343, 4545, 5235, 13029, 15007, 15705, 21715, 35249, 39087, 45021, 65145, 75035, 105747, 135063, 176245, 195435, 225105, 317241, 528735, 675315, 1515707, 1586205, 4547121, 7578535, 13641363, 22735605, 68206815]

約数ペア:

[(1, 68206815), (3, 22735605), (5, 13641363), (9, 7578535), (15, 4547121), (43, 1586205), (45, 1515707), (101, 675315), (129, 528735), (215, 317241), (303, 225105), (349, 195435), (387, 176245), (505, 135063), (645, 105747), (909, 75035), (1047, 65145), (1515, 45021), (1745, 39087), (1935, 35249), (3141, 21715), (4343, 15705), (4545, 15007), (5235, 13029)]