2102355

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 3920400

約数和(自身を除く): 1818045

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 179, 261, 405, 435, 537, 783, 895, 1305, 1611, 2349, 2685, 3915, 4833, 5191, 8055, 11745, 14499, 15573, 24165, 25955, 46719, 72495, 77865, 140157, 233595, 420471, 700785, 2102355]

約数ペア:

[(1, 2102355), (3, 700785), (5, 420471), (9, 233595), (15, 140157), (27, 77865), (29, 72495), (45, 46719), (81, 25955), (87, 24165), (135, 15573), (145, 14499), (179, 11745), (261, 8055), (405, 5191), (435, 4833), (537, 3915), (783, 2685), (895, 2349), (1305, 1611)]