1820177199

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 2945358000

約数和(自身を除く): 1125180801

約数列:

[1, 3, 9, 17, 29, 51, 59, 87, 153, 177, 261, 289, 409, 493, 531, 867, 1003, 1227, 1479, 1711, 2601, 3009, 3681, 4437, 5133, 6953, 8381, 9027, 11861, 15399, 17051, 20859, 24131, 25143, 29087, 35583, 51153, 62577, 72393, 75429, 87261, 106749, 118201, 153459, 201637, 217179, 261783, 354603, 410227, 494479, 604911, 699799, 1063809, 1230681, 1483437, 1814733, 2099397, 3427829, 3692043, 4450311, 6298191, 6973859, 10283487, 11896583, 20921577, 30850461, 35689749, 62764731, 107069247, 202241911, 606725733, 1820177199]

約数ペア:

[(1, 1820177199), (3, 606725733), (9, 202241911), (17, 107069247), (29, 62764731), (51, 35689749), (59, 30850461), (87, 20921577), (153, 11896583), (177, 10283487), (261, 6973859), (289, 6298191), (409, 4450311), (493, 3692043), (531, 3427829), (867, 2099397), (1003, 1814733), (1227, 1483437), (1479, 1230681), (1711, 1063809), (2601, 699799), (3009, 604911), (3681, 494479), (4437, 410227), (5133, 354603), (6953, 261783), (8381, 217179), (9027, 201637), (11861, 153459), (15399, 118201), (17051, 106749), (20859, 87261), (24131, 75429), (25143, 72393), (29087, 62577), (35583, 51153)]