28331469

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 17899443

約数列:

[1, 3, 9, 17, 23, 51, 69, 83, 97, 153, 207, 249, 291, 391, 747, 873, 1173, 1411, 1649, 1909, 2231, 3519, 4233, 4947, 5727, 6693, 8051, 12699, 14841, 17181, 20079, 24153, 32453, 37927, 72459, 97359, 113781, 136867, 185173, 292077, 341343, 410601, 555519, 1231803, 1666557, 3147941, 9443823, 28331469]

約数ペア:

[(1, 28331469), (3, 9443823), (9, 3147941), (17, 1666557), (23, 1231803), (51, 555519), (69, 410601), (83, 341343), (97, 292077), (153, 185173), (207, 136867), (249, 113781), (291, 97359), (391, 72459), (747, 37927), (873, 32453), (1173, 24153), (1411, 20079), (1649, 17181), (1909, 14841), (2231, 12699), (3519, 8051), (4233, 6693), (4947, 5727)]