138940605

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 250758144

約数和(自身を除く): 111817539

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 137, 155, 279, 411, 465, 685, 727, 1233, 1395, 2055, 2181, 3635, 4247, 6165, 6543, 10905, 12741, 21235, 22537, 32715, 38223, 63705, 67611, 99599, 112685, 191115, 202833, 298797, 338055, 497995, 896391, 1014165, 1493985, 3087569, 4481955, 9262707, 15437845, 27788121, 46313535, 138940605]

約数ペア:

[(1, 138940605), (3, 46313535), (5, 27788121), (9, 15437845), (15, 9262707), (31, 4481955), (45, 3087569), (93, 1493985), (137, 1014165), (155, 896391), (279, 497995), (411, 338055), (465, 298797), (685, 202833), (727, 191115), (1233, 112685), (1395, 99599), (2055, 67611), (2181, 63705), (3635, 38223), (4247, 32715), (6165, 22537), (6543, 21235), (10905, 12741)]