213996825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1637}}^1$

素因数の和:1743

約数の個数: 72

約数和(自身を含む): 443596608

約数和(自身を除く): 229599783

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 83, 105, 175, 225, 249, 315, 415, 525, 581, 747, 1245, 1575, 1637, 1743, 2075, 2905, 3735, 4911, 5229, 6225, 8185, 8715, 11459, 14525, 14733, 18675, 24555, 26145, 34377, 40925, 43575, 57295, 73665, 103131, 122775, 130725, 135871, 171885, 286475, 368325, 407613, 515655, 679355, 859425, 951097, 1222839, 2038065, 2578275, 2853291, 3396775, 4755485, 6114195, 8559873, 10190325, 14266455, 23777425, 30570975, 42799365, 71332275, 213996825]

約数ペア:

[(1, 213996825), (3, 71332275), (5, 42799365), (7, 30570975), (9, 23777425), (15, 14266455), (21, 10190325), (25, 8559873), (35, 6114195), (45, 4755485), (63, 3396775), (75, 2853291), (83, 2578275), (105, 2038065), (175, 1222839), (225, 951097), (249, 859425), (315, 679355), (415, 515655), (525, 407613), (581, 368325), (747, 286475), (1245, 171885), (1575, 135871), (1637, 130725), (1743, 122775), (2075, 103131), (2905, 73665), (3735, 57295), (4911, 43575), (5229, 40925), (6225, 34377), (8185, 26145), (8715, 24555), (11459, 18675), (14525, 14733)]