243679975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 380689920

約数和(自身を除く): 137009945

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 103, 175, 275, 385, 515, 721, 1133, 1229, 1925, 2575, 3605, 5665, 6145, 7931, 8603, 13519, 18025, 28325, 30725, 39655, 43015, 67595, 94633, 126587, 198275, 215075, 337975, 473165, 632935, 886109, 1392457, 2365825, 3164675, 4430545, 6962285, 9747199, 22152725, 34811425, 48735995, 243679975]

約数ペア:

[(1, 243679975), (5, 48735995), (7, 34811425), (11, 22152725), (25, 9747199), (35, 6962285), (55, 4430545), (77, 3164675), (103, 2365825), (175, 1392457), (275, 886109), (385, 632935), (515, 473165), (721, 337975), (1133, 215075), (1229, 198275), (1925, 126587), (2575, 94633), (3605, 67595), (5665, 43015), (6145, 39655), (7931, 30725), (8603, 28325), (13519, 18025)]