207924285

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3001}}^1$

素因数の和:3189

約数の個数: 32

約数和(自身を含む): 345830400

約数和(自身を除く): 137906115

約数列:

[1, 3, 5, 15, 31, 93, 149, 155, 447, 465, 745, 2235, 3001, 4619, 9003, 13857, 15005, 23095, 45015, 69285, 93031, 279093, 447149, 465155, 1341447, 1395465, 2235745, 6707235, 13861619, 41584857, 69308095, 207924285]

約数ペア:

[(1, 207924285), (3, 69308095), (5, 41584857), (15, 13861619), (31, 6707235), (93, 2235745), (149, 1395465), (155, 1341447), (447, 465155), (465, 447149), (745, 279093), (2235, 93031), (3001, 69285), (4619, 45015), (9003, 23095), (13857, 15005)]