51816135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1367}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 100071936

約数和(自身を除く): 48255801

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 361, 399, 665, 1083, 1367, 1805, 1995, 2527, 4101, 5415, 6835, 7581, 9569, 12635, 20505, 25973, 28707, 37905, 47845, 77919, 129865, 143535, 181811, 389595, 493487, 545433, 909055, 1480461, 2467435, 2727165, 3454409, 7402305, 10363227, 17272045, 51816135]

約数ペア:

[(1, 51816135), (3, 17272045), (5, 10363227), (7, 7402305), (15, 3454409), (19, 2727165), (21, 2467435), (35, 1480461), (57, 909055), (95, 545433), (105, 493487), (133, 389595), (285, 181811), (361, 143535), (399, 129865), (665, 77919), (1083, 47845), (1367, 37905), (1805, 28707), (1995, 25973), (2527, 20505), (4101, 12635), (5415, 9569), (6835, 7581)]