216542565

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 407721600

約数和(自身を除く): 191179035

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 103, 135, 145, 179, 261, 309, 405, 435, 515, 537, 783, 895, 927, 1305, 1545, 1611, 2349, 2685, 2781, 2987, 3915, 4635, 4833, 5191, 8055, 8343, 8961, 11745, 13905, 14499, 14935, 15573, 18437, 24165, 25955, 26883, 41715, 44805, 46719, 55311, 72495, 77865, 80649, 92185, 134415, 140157, 165933, 233595, 241947, 276555, 403245, 420471, 497799, 534673, 700785, 829665, 1209735, 1493397, 1604019, 2102355, 2488995, 2673365, 4812057, 7466985, 8020095, 14436171, 24060285, 43308513, 72180855, 216542565]

約数ペア:

[(1, 216542565), (3, 72180855), (5, 43308513), (9, 24060285), (15, 14436171), (27, 8020095), (29, 7466985), (45, 4812057), (81, 2673365), (87, 2488995), (103, 2102355), (135, 1604019), (145, 1493397), (179, 1209735), (261, 829665), (309, 700785), (405, 534673), (435, 497799), (515, 420471), (537, 403245), (783, 276555), (895, 241947), (927, 233595), (1305, 165933), (1545, 140157), (1611, 134415), (2349, 92185), (2685, 80649), (2781, 77865), (2987, 72495), (3915, 55311), (4635, 46719), (4833, 44805), (5191, 41715), (8055, 26883), (8343, 25955), (8961, 24165), (11745, 18437), (13905, 15573), (14499, 14935)]