427955465

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 648191232

約数和(自身を除く): 220235767

約数列:

[1, 5, 7, 29, 31, 35, 49, 67, 145, 155, 203, 217, 245, 335, 469, 841, 899, 1015, 1085, 1421, 1519, 1943, 2077, 2345, 3283, 4205, 4495, 5887, 6293, 7105, 7595, 9715, 10385, 13601, 14539, 16415, 26071, 29435, 31465, 41209, 44051, 56347, 60233, 68005, 72695, 95207, 101773, 130355, 182497, 206045, 220255, 281735, 301165, 394429, 421631, 476035, 508865, 912485, 1277479, 1746757, 1972145, 2108155, 2761003, 2951417, 6387395, 8733785, 12227299, 13805015, 14757085, 61136495, 85591093, 427955465]

約数ペア:

[(1, 427955465), (5, 85591093), (7, 61136495), (29, 14757085), (31, 13805015), (35, 12227299), (49, 8733785), (67, 6387395), (145, 2951417), (155, 2761003), (203, 2108155), (217, 1972145), (245, 1746757), (335, 1277479), (469, 912485), (841, 508865), (899, 476035), (1015, 421631), (1085, 394429), (1421, 301165), (1519, 281735), (1943, 220255), (2077, 206045), (2345, 182497), (3283, 130355), (4205, 101773), (4495, 95207), (5887, 72695), (6293, 68005), (7105, 60233), (7595, 56347), (9715, 44051), (10385, 41209), (13601, 31465), (14539, 29435), (16415, 26071)]