81207144

素因数分解:

$2^3\times 3^3\times {\mathrm{397}}^1\times {\mathrm{947}}^1$

素因数の和:1359

約数の個数: 64

約数和(自身を含む): 226382400

約数和(自身を除く): 145175256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 397, 794, 947, 1191, 1588, 1894, 2382, 2841, 3176, 3573, 3788, 4764, 5682, 7146, 7576, 8523, 9528, 10719, 11364, 14292, 17046, 21438, 22728, 25569, 28584, 34092, 42876, 51138, 68184, 85752, 102276, 204552, 375959, 751918, 1127877, 1503836, 2255754, 3007672, 3383631, 4511508, 6767262, 9023016, 10150893, 13534524, 20301786, 27069048, 40603572, 81207144]

約数ペア:

[(1, 81207144), (2, 40603572), (3, 27069048), (4, 20301786), (6, 13534524), (8, 10150893), (9, 9023016), (12, 6767262), (18, 4511508), (24, 3383631), (27, 3007672), (36, 2255754), (54, 1503836), (72, 1127877), (108, 751918), (216, 375959), (397, 204552), (794, 102276), (947, 85752), (1191, 68184), (1588, 51138), (1894, 42876), (2382, 34092), (2841, 28584), (3176, 25569), (3573, 22728), (3788, 21438), (4764, 17046), (5682, 14292), (7146, 11364), (7576, 10719), (8523, 9528)]