388996545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{3371}}^1$

素因数の和:3550

約数の個数: 48

約数和(自身を含む): 728837568

約数和(自身を除く): 339841023

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 157, 245, 471, 735, 785, 1099, 2355, 3297, 3371, 5495, 7693, 10113, 16485, 16855, 23079, 23597, 38465, 50565, 70791, 115395, 117985, 165179, 353955, 495537, 529247, 825895, 1587741, 2477685, 2646235, 3704729, 7938705, 11114187, 18523645, 25933103, 55570935, 77799309, 129665515, 388996545]

約数ペア:

[(1, 388996545), (3, 129665515), (5, 77799309), (7, 55570935), (15, 25933103), (21, 18523645), (35, 11114187), (49, 7938705), (105, 3704729), (147, 2646235), (157, 2477685), (245, 1587741), (471, 825895), (735, 529247), (785, 495537), (1099, 353955), (2355, 165179), (3297, 117985), (3371, 115395), (5495, 70791), (7693, 50565), (10113, 38465), (16485, 23597), (16855, 23079)]