51547755

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 98841600

約数和(自身を除く): 47293845

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 233, 245, 301, 343, 645, 699, 735, 903, 1029, 1165, 1505, 1631, 1715, 2107, 3495, 4515, 4893, 5145, 6321, 8155, 10019, 10535, 11417, 14749, 24465, 30057, 31605, 34251, 44247, 50095, 57085, 70133, 73745, 79919, 150285, 171255, 210399, 221235, 239757, 350665, 399595, 490931, 1051995, 1198785, 1472793, 2454655, 3436517, 7363965, 10309551, 17182585, 51547755]

約数ペア:

[(1, 51547755), (3, 17182585), (5, 10309551), (7, 7363965), (15, 3436517), (21, 2454655), (35, 1472793), (43, 1198785), (49, 1051995), (105, 490931), (129, 399595), (147, 350665), (215, 239757), (233, 221235), (245, 210399), (301, 171255), (343, 150285), (645, 79919), (699, 73745), (735, 70133), (903, 57085), (1029, 50095), (1165, 44247), (1505, 34251), (1631, 31605), (1715, 30057), (2107, 24465), (3495, 14749), (4515, 11417), (4893, 10535), (5145, 10019), (6321, 8155)]