81371628

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19319}}^1$

素因数の和:19348

約数の個数: 60

約数和(自身を含む): 229096560

約数和(自身を除く): 147724932

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, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 19319, 38638, 57957, 77276, 115914, 173871, 231828, 251147, 347742, 502294, 521613, 695484, 753441, 1004588, 1043226, 1506882, 1564839, 2086452, 2260323, 3013764, 3129678, 4520646, 6259356, 6780969, 9041292, 13561938, 20342907, 27123876, 40685814, 81371628]

約数ペア:

[(1, 81371628), (2, 40685814), (3, 27123876), (4, 20342907), (6, 13561938), (9, 9041292), (12, 6780969), (13, 6259356), (18, 4520646), (26, 3129678), (27, 3013764), (36, 2260323), (39, 2086452), (52, 1564839), (54, 1506882), (78, 1043226), (81, 1004588), (108, 753441), (117, 695484), (156, 521613), (162, 502294), (234, 347742), (324, 251147), (351, 231828), (468, 173871), (702, 115914), (1053, 77276), (1404, 57957), (2106, 38638), (4212, 19319)]