54721215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 101189088

約数和(自身を除く): 46467873

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 233, 255, 307, 699, 765, 921, 1165, 1535, 2097, 2763, 3495, 3961, 4605, 5219, 10485, 11883, 13815, 15657, 19805, 26095, 35649, 46971, 59415, 71531, 78285, 178245, 214593, 234855, 357655, 643779, 1072965, 1216027, 3218895, 3648081, 6080135, 10944243, 18240405, 54721215]

約数ペア:

[(1, 54721215), (3, 18240405), (5, 10944243), (9, 6080135), (15, 3648081), (17, 3218895), (45, 1216027), (51, 1072965), (85, 643779), (153, 357655), (233, 234855), (255, 214593), (307, 178245), (699, 78285), (765, 71531), (921, 59415), (1165, 46971), (1535, 35649), (2097, 26095), (2763, 19805), (3495, 15657), (3961, 13815), (4605, 11883), (5219, 10485)]