16975455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 33423360

約数和(自身を除く): 16447905

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 67, 95, 105, 127, 133, 201, 285, 335, 381, 399, 469, 635, 665, 889, 1005, 1273, 1407, 1905, 1995, 2345, 2413, 2667, 3819, 4445, 6365, 7035, 7239, 8509, 8911, 12065, 13335, 16891, 19095, 25527, 26733, 36195, 42545, 44555, 50673, 59563, 84455, 127635, 133665, 161671, 178689, 253365, 297815, 485013, 808355, 893445, 1131697, 2425065, 3395091, 5658485, 16975455]

約数ペア:

[(1, 16975455), (3, 5658485), (5, 3395091), (7, 2425065), (15, 1131697), (19, 893445), (21, 808355), (35, 485013), (57, 297815), (67, 253365), (95, 178689), (105, 161671), (127, 133665), (133, 127635), (201, 84455), (285, 59563), (335, 50673), (381, 44555), (399, 42545), (469, 36195), (635, 26733), (665, 25527), (889, 19095), (1005, 16891), (1273, 13335), (1407, 12065), (1905, 8911), (1995, 8509), (2345, 7239), (2413, 7035), (2667, 6365), (3819, 4445)]