16993275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 31352160

約数和(自身を除く): 14358885

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 195, 325, 377, 435, 601, 725, 975, 1131, 1803, 1885, 2175, 3005, 5655, 7813, 9015, 9425, 15025, 17429, 23439, 28275, 39065, 45075, 52287, 87145, 117195, 195325, 226577, 261435, 435725, 585975, 679731, 1132885, 1307175, 3398655, 5664425, 16993275]

約数ペア:

[(1, 16993275), (3, 5664425), (5, 3398655), (13, 1307175), (15, 1132885), (25, 679731), (29, 585975), (39, 435725), (65, 261435), (75, 226577), (87, 195325), (145, 117195), (195, 87145), (325, 52287), (377, 45075), (435, 39065), (601, 28275), (725, 23439), (975, 17429), (1131, 15025), (1803, 9425), (1885, 9015), (2175, 7813), (3005, 5655)]