61840989

素因数分解:

$3^4\times 7^2\times {\mathrm{15581}}^1$

素因数の和:15607

約数の個数: 30

約数和(自身を含む): 107469054

約数和(自身を除く): 45628065

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 15581, 46743, 109067, 140229, 327201, 420687, 763469, 981603, 1262061, 2290407, 2944809, 6871221, 8834427, 20613663, 61840989]

約数ペア:

[(1, 61840989), (3, 20613663), (7, 8834427), (9, 6871221), (21, 2944809), (27, 2290407), (49, 1262061), (63, 981603), (81, 763469), (147, 420687), (189, 327201), (441, 140229), (567, 109067), (1323, 46743), (3969, 15581)]