216927735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 372172416

約数和(自身を除く): 155244681

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 289, 307, 489, 815, 867, 921, 1445, 1535, 2445, 2771, 4335, 4605, 5219, 8313, 13855, 15657, 26095, 41565, 47107, 50041, 78285, 88723, 141321, 150123, 235535, 250205, 266169, 443615, 706605, 750615, 850697, 1330845, 2552091, 4253485, 12760455, 14461849, 43385547, 72309245, 216927735]

約数ペア:

[(1, 216927735), (3, 72309245), (5, 43385547), (15, 14461849), (17, 12760455), (51, 4253485), (85, 2552091), (163, 1330845), (255, 850697), (289, 750615), (307, 706605), (489, 443615), (815, 266169), (867, 250205), (921, 235535), (1445, 150123), (1535, 141321), (2445, 88723), (2771, 78285), (4335, 50041), (4605, 47107), (5219, 41565), (8313, 26095), (13855, 15657)]