51920253

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 96824000

約数和(自身を除く): 44903747

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 139, 147, 231, 343, 363, 417, 441, 539, 693, 847, 973, 1029, 1089, 1251, 1529, 1617, 2541, 2919, 3087, 3773, 4587, 4851, 5929, 6811, 7623, 8757, 10703, 11319, 13761, 16819, 17787, 20433, 32109, 33957, 41503, 47677, 50457, 53361, 61299, 74921, 96327, 117733, 124509, 143031, 151371, 224763, 353199, 373527, 429093, 524447, 674289, 824131, 1059597, 1573341, 2472393, 4720023, 5768917, 7417179, 17306751, 51920253]

約数ペア:

[(1, 51920253), (3, 17306751), (7, 7417179), (9, 5768917), (11, 4720023), (21, 2472393), (33, 1573341), (49, 1059597), (63, 824131), (77, 674289), (99, 524447), (121, 429093), (139, 373527), (147, 353199), (231, 224763), (343, 151371), (363, 143031), (417, 124509), (441, 117733), (539, 96327), (693, 74921), (847, 61299), (973, 53361), (1029, 50457), (1089, 47677), (1251, 41503), (1529, 33957), (1617, 32109), (2541, 20433), (2919, 17787), (3087, 16819), (3773, 13761), (4587, 11319), (4851, 10703), (5929, 8757), (6811, 7623)]