81097225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 124679520

約数和(自身を除く): 43582295

約数列:

[1, 5, 11, 17, 19, 25, 55, 83, 85, 95, 121, 187, 209, 275, 323, 415, 425, 475, 605, 913, 935, 1045, 1411, 1577, 1615, 2057, 2075, 2299, 3025, 3553, 4565, 4675, 5225, 7055, 7885, 8075, 10043, 10285, 11495, 15521, 17347, 17765, 22825, 26809, 35275, 39083, 39425, 50215, 51425, 57475, 77605, 86735, 88825, 134045, 170731, 190817, 195415, 251075, 294899, 388025, 433675, 670225, 853655, 954085, 977075, 1474495, 3243889, 4268275, 4770425, 7372475, 16219445, 81097225]

約数ペア:

[(1, 81097225), (5, 16219445), (11, 7372475), (17, 4770425), (19, 4268275), (25, 3243889), (55, 1474495), (83, 977075), (85, 954085), (95, 853655), (121, 670225), (187, 433675), (209, 388025), (275, 294899), (323, 251075), (415, 195415), (425, 190817), (475, 170731), (605, 134045), (913, 88825), (935, 86735), (1045, 77605), (1411, 57475), (1577, 51425), (1615, 50215), (2057, 39425), (2075, 39083), (2299, 35275), (3025, 26809), (3553, 22825), (4565, 17765), (4675, 17347), (5225, 15521), (7055, 11495), (7885, 10285), (8075, 10043)]