201788775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{38993}}^1$

素因数の和:39032

約数の個数: 36

約数和(自身を含む): 377149968

約数和(自身を除く): 175361193

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 38993, 116979, 194965, 350937, 584895, 896839, 974825, 1754685, 2690517, 2924475, 4484195, 8071551, 8773425, 13452585, 22420975, 40357755, 67262925, 201788775]

約数ペア:

[(1, 201788775), (3, 67262925), (5, 40357755), (9, 22420975), (15, 13452585), (23, 8773425), (25, 8071551), (45, 4484195), (69, 2924475), (75, 2690517), (115, 1754685), (207, 974825), (225, 896839), (345, 584895), (575, 350937), (1035, 194965), (1725, 116979), (5175, 38993)]