81686178

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6971}}^1$

素因数の和:7020

約数の個数: 64

約数和(自身を含む): 214179840

約数和(自身を除く): 132493662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1302, 1674, 1953, 3906, 5859, 6971, 11718, 13942, 20913, 41826, 48797, 62739, 97594, 125478, 146391, 188217, 216101, 292782, 376434, 432202, 439173, 648303, 878346, 1296606, 1317519, 1512707, 1944909, 2635038, 3025414, 3889818, 4538121, 5834727, 9076242, 11669454, 13614363, 27228726, 40843089, 81686178]

約数ペア:

[(1, 81686178), (2, 40843089), (3, 27228726), (6, 13614363), (7, 11669454), (9, 9076242), (14, 5834727), (18, 4538121), (21, 3889818), (27, 3025414), (31, 2635038), (42, 1944909), (54, 1512707), (62, 1317519), (63, 1296606), (93, 878346), (126, 648303), (186, 439173), (189, 432202), (217, 376434), (279, 292782), (378, 216101), (434, 188217), (558, 146391), (651, 125478), (837, 97594), (1302, 62739), (1674, 48797), (1953, 41826), (3906, 20913), (5859, 13942), (6971, 11718)]