405218655

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2393}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 726014016

約数和(自身を除く): 320795361

約数列:

[1, 3, 5, 9, 15, 45, 53, 71, 159, 213, 265, 355, 477, 639, 795, 1065, 2385, 2393, 3195, 3763, 7179, 11289, 11965, 18815, 21537, 33867, 35895, 56445, 107685, 126829, 169335, 169903, 380487, 509709, 634145, 849515, 1141461, 1529127, 1902435, 2548545, 5707305, 7645635, 9004859, 27014577, 45024295, 81043731, 135072885, 405218655]

約数ペア:

[(1, 405218655), (3, 135072885), (5, 81043731), (9, 45024295), (15, 27014577), (45, 9004859), (53, 7645635), (71, 5707305), (159, 2548545), (213, 1902435), (265, 1529127), (355, 1141461), (477, 849515), (639, 634145), (795, 509709), (1065, 380487), (2385, 169903), (2393, 169335), (3195, 126829), (3763, 107685), (7179, 56445), (11289, 35895), (11965, 33867), (18815, 21537)]