31243215

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 51226560

約数和(自身を除く): 19983345

約数列:

[1, 3, 5, 15, 97, 109, 197, 291, 327, 485, 545, 591, 985, 1455, 1635, 2955, 10573, 19109, 21473, 31719, 52865, 57327, 64419, 95545, 107365, 158595, 286635, 322095, 2082881, 6248643, 10414405, 31243215]

約数ペア:

[(1, 31243215), (3, 10414405), (5, 6248643), (15, 2082881), (97, 322095), (109, 286635), (197, 158595), (291, 107365), (327, 95545), (485, 64419), (545, 57327), (591, 52865), (985, 31719), (1455, 21473), (1635, 19109), (2955, 10573)]