215492085

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2789}}^1$

素因数の和:2918

約数の個数: 48

約数和(自身を含む): 399550320

約数和(自身を除く): 184058235

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 101, 153, 255, 303, 505, 765, 909, 1515, 1717, 2789, 4545, 5151, 8367, 8585, 13945, 15453, 25101, 25755, 41835, 47413, 77265, 125505, 142239, 237065, 281689, 426717, 711195, 845067, 1408445, 2133585, 2535201, 4225335, 4788713, 12676005, 14366139, 23943565, 43098417, 71830695, 215492085]

約数ペア:

[(1, 215492085), (3, 71830695), (5, 43098417), (9, 23943565), (15, 14366139), (17, 12676005), (45, 4788713), (51, 4225335), (85, 2535201), (101, 2133585), (153, 1408445), (255, 845067), (303, 711195), (505, 426717), (765, 281689), (909, 237065), (1515, 142239), (1717, 125505), (2789, 77265), (4545, 47413), (5151, 41835), (8367, 25755), (8585, 25101), (13945, 15453)]