39909945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3989}}^1$

素因数の和:4049

約数の個数: 32

約数和(自身を含む): 68947200

約数和(自身を除く): 29037255

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 3335, 3989, 10005, 11967, 19945, 59835, 91747, 115681, 275241, 347043, 458735, 578405, 1376205, 1735215, 2660663, 7981989, 13303315, 39909945]

約数ペア:

[(1, 39909945), (3, 13303315), (5, 7981989), (15, 2660663), (23, 1735215), (29, 1376205), (69, 578405), (87, 458735), (115, 347043), (145, 275241), (345, 115681), (435, 91747), (667, 59835), (2001, 19945), (3335, 11967), (3989, 10005)]