213833025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 441352704

約数和(自身を除く): 227519679

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 137, 175, 225, 315, 411, 525, 685, 959, 991, 1233, 1575, 2055, 2877, 2973, 3425, 4795, 4955, 6165, 6937, 8631, 8919, 10275, 14385, 14865, 20811, 23975, 24775, 30825, 34685, 43155, 44595, 62433, 71925, 74325, 104055, 135767, 173425, 215775, 222975, 312165, 407301, 520275, 678835, 950369, 1221903, 1560825, 2036505, 2851107, 3394175, 4751845, 6109515, 8553321, 10182525, 14255535, 23759225, 30547575, 42766605, 71277675, 213833025]

約数ペア:

[(1, 213833025), (3, 71277675), (5, 42766605), (7, 30547575), (9, 23759225), (15, 14255535), (21, 10182525), (25, 8553321), (35, 6109515), (45, 4751845), (63, 3394175), (75, 2851107), (105, 2036505), (137, 1560825), (175, 1221903), (225, 950369), (315, 678835), (411, 520275), (525, 407301), (685, 312165), (959, 222975), (991, 215775), (1233, 173425), (1575, 135767), (2055, 104055), (2877, 74325), (2973, 71925), (3425, 62433), (4795, 44595), (4955, 43155), (6165, 34685), (6937, 30825), (8631, 24775), (8919, 23975), (10275, 20811), (14385, 14865)]