531565995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{21701}}^1$

素因数の和:21803

約数の個数: 32

約数和(自身を含む): 900025344

約数和(自身を除く): 368459349

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 21701, 24495, 65103, 108505, 325515, 499123, 1497369, 1540771, 2495615, 4622313, 7486845, 7703855, 23111565, 35437733, 106313199, 177188665, 531565995]

約数ペア:

[(1, 531565995), (3, 177188665), (5, 106313199), (15, 35437733), (23, 23111565), (69, 7703855), (71, 7486845), (115, 4622313), (213, 2495615), (345, 1540771), (355, 1497369), (1065, 499123), (1633, 325515), (4899, 108505), (8165, 65103), (21701, 24495)]