81163944

素因数分解:

$2^3\times 3^7\times {\mathrm{4639}}^1$

素因数の和:4666

約数の個数: 64

約数和(自身を含む): 228288000

約数和(自身を除く): 147124056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2187, 2916, 4374, 4639, 5832, 8748, 9278, 13917, 17496, 18556, 27834, 37112, 41751, 55668, 83502, 111336, 125253, 167004, 250506, 334008, 375759, 501012, 751518, 1002024, 1127277, 1503036, 2254554, 3006072, 3381831, 4509108, 6763662, 9018216, 10145493, 13527324, 20290986, 27054648, 40581972, 81163944]

約数ペア:

[(1, 81163944), (2, 40581972), (3, 27054648), (4, 20290986), (6, 13527324), (8, 10145493), (9, 9018216), (12, 6763662), (18, 4509108), (24, 3381831), (27, 3006072), (36, 2254554), (54, 1503036), (72, 1127277), (81, 1002024), (108, 751518), (162, 501012), (216, 375759), (243, 334008), (324, 250506), (486, 167004), (648, 125253), (729, 111336), (972, 83502), (1458, 55668), (1944, 41751), (2187, 37112), (2916, 27834), (4374, 18556), (4639, 17496), (5832, 13917), (8748, 9278)]