4388013

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 7666560

約数和(自身を除く): 3278547

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 109, 189, 213, 327, 497, 567, 639, 763, 981, 1491, 1917, 2289, 2943, 4473, 5751, 6867, 7739, 8829, 13419, 20601, 23217, 40257, 54173, 61803, 69651, 162519, 208953, 487557, 626859, 1462671, 4388013]

約数ペア:

[(1, 4388013), (3, 1462671), (7, 626859), (9, 487557), (21, 208953), (27, 162519), (63, 69651), (71, 61803), (81, 54173), (109, 40257), (189, 23217), (213, 20601), (327, 13419), (497, 8829), (567, 7739), (639, 6867), (763, 5751), (981, 4473), (1491, 2943), (1917, 2289)]