816572025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{761}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 1547713440

約数和(自身を除く): 731141415

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 251, 285, 475, 753, 761, 855, 1255, 1425, 2259, 2283, 3765, 3805, 4275, 4769, 6275, 6849, 11295, 11415, 14307, 14459, 18825, 19025, 23845, 34245, 42921, 43377, 56475, 57075, 71535, 72295, 119225, 130131, 171225, 191011, 214605, 216885, 357675, 361475, 573033, 650655, 955055, 1073025, 1084425, 1719099, 2865165, 3253275, 3629209, 4775275, 8595495, 10887627, 14325825, 18146045, 32662881, 42977475, 54438135, 90730225, 163314405, 272190675, 816572025]

約数ペア:

[(1, 816572025), (3, 272190675), (5, 163314405), (9, 90730225), (15, 54438135), (19, 42977475), (25, 32662881), (45, 18146045), (57, 14325825), (75, 10887627), (95, 8595495), (171, 4775275), (225, 3629209), (251, 3253275), (285, 2865165), (475, 1719099), (753, 1084425), (761, 1073025), (855, 955055), (1255, 650655), (1425, 573033), (2259, 361475), (2283, 357675), (3765, 216885), (3805, 214605), (4275, 191011), (4769, 171225), (6275, 130131), (6849, 119225), (11295, 72295), (11415, 71535), (14307, 57075), (14459, 56475), (18825, 43377), (19025, 42921), (23845, 34245)]