68868639

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 118609920

約数和(自身を除く): 49741281

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 179, 197, 217, 279, 537, 591, 651, 1253, 1379, 1611, 1773, 1953, 3759, 4137, 5549, 6107, 11277, 12411, 16647, 18321, 35263, 38843, 42749, 49941, 54963, 105789, 116529, 128247, 246841, 317367, 349587, 384741, 740523, 1093153, 2221569, 3279459, 7652071, 9838377, 22956213, 68868639]

約数ペア:

[(1, 68868639), (3, 22956213), (7, 9838377), (9, 7652071), (21, 3279459), (31, 2221569), (63, 1093153), (93, 740523), (179, 384741), (197, 349587), (217, 317367), (279, 246841), (537, 128247), (591, 116529), (651, 105789), (1253, 54963), (1379, 49941), (1611, 42749), (1773, 38843), (1953, 35263), (3759, 18321), (4137, 16647), (5549, 12411), (6107, 11277)]