201715455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{5309}}^1$

素因数の和:5483

約数の個数: 32

約数和(自身を含む): 344088000

約数和(自身を除く): 142372545

約数列:

[1, 3, 5, 15, 17, 51, 85, 149, 255, 447, 745, 2235, 2533, 5309, 7599, 12665, 15927, 26545, 37995, 79635, 90253, 270759, 451265, 791041, 1353795, 2373123, 3955205, 11865615, 13447697, 40343091, 67238485, 201715455]

約数ペア:

[(1, 201715455), (3, 67238485), (5, 40343091), (15, 13447697), (17, 11865615), (51, 3955205), (85, 2373123), (149, 1353795), (255, 791041), (447, 451265), (745, 270759), (2235, 90253), (2533, 79635), (5309, 37995), (7599, 26545), (12665, 15927)]