42638715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{607}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 84983808

約数和(自身を除く): 42345093

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 223, 315, 607, 669, 1115, 1561, 1821, 2007, 3035, 3345, 4249, 4683, 5463, 7805, 9105, 10035, 12747, 14049, 21245, 23415, 27315, 38241, 63735, 70245, 135361, 191205, 406083, 676805, 947527, 1218249, 2030415, 2842581, 4737635, 6091245, 8527743, 14212905, 42638715]

約数ペア:

[(1, 42638715), (3, 14212905), (5, 8527743), (7, 6091245), (9, 4737635), (15, 2842581), (21, 2030415), (35, 1218249), (45, 947527), (63, 676805), (105, 406083), (223, 191205), (315, 135361), (607, 70245), (669, 63735), (1115, 38241), (1561, 27315), (1821, 23415), (2007, 21245), (3035, 14049), (3345, 12747), (4249, 10035), (4683, 9105), (5463, 7805)]