28964145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 54468288

約数和(自身を除く): 25504143

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 157, 245, 251, 471, 735, 753, 785, 1099, 1255, 1757, 2355, 3297, 3765, 5271, 5495, 7693, 8785, 12299, 16485, 23079, 26355, 36897, 38465, 39407, 61495, 115395, 118221, 184485, 197035, 275849, 591105, 827547, 1379245, 1930943, 4137735, 5792829, 9654715, 28964145]

約数ペア:

[(1, 28964145), (3, 9654715), (5, 5792829), (7, 4137735), (15, 1930943), (21, 1379245), (35, 827547), (49, 591105), (105, 275849), (147, 197035), (157, 184485), (245, 118221), (251, 115395), (471, 61495), (735, 39407), (753, 38465), (785, 36897), (1099, 26355), (1255, 23079), (1757, 16485), (2355, 12299), (3297, 8785), (3765, 7693), (5271, 5495)]