90418635

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 164736000

約数和(自身を除く): 74317365

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 199, 207, 345, 439, 597, 995, 1035, 1317, 1791, 2195, 2985, 3951, 4577, 6585, 8955, 10097, 13731, 19755, 22885, 30291, 41193, 50485, 68655, 87361, 90873, 151455, 205965, 262083, 436805, 454365, 786249, 1310415, 2009303, 3931245, 6027909, 10046515, 18083727, 30139545, 90418635]

約数ペア:

[(1, 90418635), (3, 30139545), (5, 18083727), (9, 10046515), (15, 6027909), (23, 3931245), (45, 2009303), (69, 1310415), (115, 786249), (199, 454365), (207, 436805), (345, 262083), (439, 205965), (597, 151455), (995, 90873), (1035, 87361), (1317, 68655), (1791, 50485), (2195, 41193), (2985, 30291), (3951, 22885), (4577, 19755), (6585, 13731), (8955, 10097)]