16219071

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 12085569

約数列:

[1, 3, 9, 11, 17, 23, 33, 51, 69, 99, 153, 187, 207, 253, 391, 419, 561, 759, 1173, 1257, 1683, 2277, 3519, 3771, 4301, 4609, 7123, 9637, 12903, 13827, 21369, 28911, 38709, 41481, 64107, 78353, 86733, 106007, 163829, 235059, 318021, 491487, 705177, 954063, 1474461, 1802119, 5406357, 16219071]

約数ペア:

[(1, 16219071), (3, 5406357), (9, 1802119), (11, 1474461), (17, 954063), (23, 705177), (33, 491487), (51, 318021), (69, 235059), (99, 163829), (153, 106007), (187, 86733), (207, 78353), (253, 64107), (391, 41481), (419, 38709), (561, 28911), (759, 21369), (1173, 13827), (1257, 12903), (1683, 9637), (2277, 7123), (3519, 4609), (3771, 4301)]