81161028

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2176

約数の個数: 84

約数和(自身を含む): 229438188

約数和(自身を除く): 148277160

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 729, 972, 1053, 1404, 1458, 2106, 2141, 2916, 3159, 4212, 4282, 6318, 6423, 8564, 9477, 12636, 12846, 18954, 19269, 25692, 27833, 37908, 38538, 55666, 57807, 77076, 83499, 111332, 115614, 166998, 173421, 231228, 250497, 333996, 346842, 500994, 520263, 693684, 751491, 1001988, 1040526, 1502982, 1560789, 2081052, 2254473, 3005964, 3121578, 4508946, 6243156, 6763419, 9017892, 13526838, 20290257, 27053676, 40580514, 81161028]

約数ペア:

[(1, 81161028), (2, 40580514), (3, 27053676), (4, 20290257), (6, 13526838), (9, 9017892), (12, 6763419), (13, 6243156), (18, 4508946), (26, 3121578), (27, 3005964), (36, 2254473), (39, 2081052), (52, 1560789), (54, 1502982), (78, 1040526), (81, 1001988), (108, 751491), (117, 693684), (156, 520263), (162, 500994), (234, 346842), (243, 333996), (324, 250497), (351, 231228), (468, 173421), (486, 166998), (702, 115614), (729, 111332), (972, 83499), (1053, 77076), (1404, 57807), (1458, 55666), (2106, 38538), (2141, 37908), (2916, 27833), (3159, 25692), (4212, 19269), (4282, 18954), (6318, 12846), (6423, 12636), (8564, 9477)]