87511905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{659}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 164324160

約数和(自身を除く): 76812255

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 227, 585, 659, 681, 1135, 1977, 2043, 2951, 3295, 3405, 5931, 8567, 8853, 9885, 10215, 14755, 25701, 26559, 29655, 42835, 44265, 77103, 128505, 132795, 149593, 385515, 448779, 747965, 1346337, 1944709, 2243895, 5834127, 6731685, 9723545, 17502381, 29170635, 87511905]

約数ペア:

[(1, 87511905), (3, 29170635), (5, 17502381), (9, 9723545), (13, 6731685), (15, 5834127), (39, 2243895), (45, 1944709), (65, 1346337), (117, 747965), (195, 448779), (227, 385515), (585, 149593), (659, 132795), (681, 128505), (1135, 77103), (1977, 44265), (2043, 42835), (2951, 29655), (3295, 26559), (3405, 25701), (5931, 14755), (8567, 10215), (8853, 9885)]