28518945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 30993375

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 1105, 1229, 1365, 1547, 1785, 3315, 3687, 4641, 6145, 7735, 8603, 15977, 18435, 20893, 23205, 25809, 43015, 47931, 62679, 79885, 104465, 111839, 129045, 146251, 239655, 271609, 313395, 335517, 438753, 559195, 731255, 814827, 1358045, 1677585, 1901263, 2193765, 4074135, 5703789, 9506315, 28518945]

約数ペア:

[(1, 28518945), (3, 9506315), (5, 5703789), (7, 4074135), (13, 2193765), (15, 1901263), (17, 1677585), (21, 1358045), (35, 814827), (39, 731255), (51, 559195), (65, 438753), (85, 335517), (91, 313395), (105, 271609), (119, 239655), (195, 146251), (221, 129045), (255, 111839), (273, 104465), (357, 79885), (455, 62679), (595, 47931), (663, 43015), (1105, 25809), (1229, 23205), (1365, 20893), (1547, 18435), (1785, 15977), (3315, 8603), (3687, 7735), (4641, 6145)]