69438825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 134763200

約数和(自身を除く): 65324375

約数列:

[1, 3, 5, 9, 15, 19, 25, 37, 45, 57, 75, 95, 111, 171, 185, 225, 285, 333, 439, 475, 555, 703, 855, 925, 1317, 1425, 1665, 2109, 2195, 2775, 3515, 3951, 4275, 6327, 6585, 8325, 8341, 10545, 10975, 16243, 17575, 19755, 25023, 31635, 32925, 41705, 48729, 52725, 75069, 81215, 98775, 125115, 146187, 158175, 208525, 243645, 308617, 375345, 406075, 625575, 730935, 925851, 1218225, 1543085, 1876725, 2777553, 3654675, 4629255, 7715425, 13887765, 23146275, 69438825]

約数ペア:

[(1, 69438825), (3, 23146275), (5, 13887765), (9, 7715425), (15, 4629255), (19, 3654675), (25, 2777553), (37, 1876725), (45, 1543085), (57, 1218225), (75, 925851), (95, 730935), (111, 625575), (171, 406075), (185, 375345), (225, 308617), (285, 243645), (333, 208525), (439, 158175), (475, 146187), (555, 125115), (703, 98775), (855, 81215), (925, 75069), (1317, 52725), (1425, 48729), (1665, 41705), (2109, 32925), (2195, 31635), (2775, 25023), (3515, 19755), (3951, 17575), (4275, 16243), (6327, 10975), (6585, 10545), (8325, 8341)]