15691210857

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{81421}}^1$

素因数の和:81483

約数の個数: 72

約数和(自身を含む): 28960176960

約数和(自身を除く): 13268966103

約数列:

[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 69, 133, 147, 161, 171, 207, 399, 437, 441, 483, 931, 1127, 1197, 1311, 1449, 2793, 3059, 3381, 3933, 8379, 9177, 10143, 21413, 27531, 64239, 81421, 192717, 244263, 569947, 732789, 1546999, 1709841, 1872683, 3989629, 4640997, 5129523, 5618049, 10828993, 11968887, 13108781, 13922991, 16854147, 32486979, 35580977, 35906661, 39326343, 75802951, 91761467, 97460937, 106742931, 117979029, 227408853, 249066839, 275284401, 320228793, 682226559, 747200517, 825853203, 1743467873, 2241601551, 5230403619, 15691210857]

約数ペア:

[(1, 15691210857), (3, 5230403619), (7, 2241601551), (9, 1743467873), (19, 825853203), (21, 747200517), (23, 682226559), (49, 320228793), (57, 275284401), (63, 249066839), (69, 227408853), (133, 117979029), (147, 106742931), (161, 97460937), (171, 91761467), (207, 75802951), (399, 39326343), (437, 35906661), (441, 35580977), (483, 32486979), (931, 16854147), (1127, 13922991), (1197, 13108781), (1311, 11968887), (1449, 10828993), (2793, 5618049), (3059, 5129523), (3381, 4640997), (3933, 3989629), (8379, 1872683), (9177, 1709841), (10143, 1546999), (21413, 732789), (27531, 569947), (64239, 244263), (81421, 192717)]