398118381

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 585801216

約数和(自身を除く): 187682835

約数列:

[1, 3, 19, 43, 57, 83, 103, 129, 249, 309, 361, 817, 1083, 1577, 1957, 2451, 3569, 4429, 4731, 5871, 8549, 10707, 13287, 15523, 25647, 29963, 37183, 46569, 67811, 84151, 89889, 111549, 162431, 203433, 252453, 367607, 487293, 1102821, 1288409, 1598869, 3086189, 3865227, 4796607, 6984533, 9258567, 20953599, 132706127, 398118381]

約数ペア:

[(1, 398118381), (3, 132706127), (19, 20953599), (43, 9258567), (57, 6984533), (83, 4796607), (103, 3865227), (129, 3086189), (249, 1598869), (309, 1288409), (361, 1102821), (817, 487293), (1083, 367607), (1577, 252453), (1957, 203433), (2451, 162431), (3569, 111549), (4429, 89889), (4731, 84151), (5871, 67811), (8549, 46569), (10707, 37183), (13287, 29963), (15523, 25647)]