223204815

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1907}}^1$

素因数の和:1958

約数の個数: 60

約数和(自身を含む): 425258856

約数和(自身を除く): 202054041

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 289, 405, 459, 765, 867, 1377, 1445, 1907, 2295, 2601, 4335, 5721, 6885, 7803, 9535, 13005, 17163, 23409, 28605, 32419, 39015, 51489, 85815, 97257, 117045, 154467, 162095, 257445, 291771, 486285, 551123, 772335, 875313, 1458855, 1653369, 2625939, 2755615, 4376565, 4960107, 8266845, 13129695, 14880321, 24800535, 44640963, 74401605, 223204815]

約数ペア:

[(1, 223204815), (3, 74401605), (5, 44640963), (9, 24800535), (15, 14880321), (17, 13129695), (27, 8266845), (45, 4960107), (51, 4376565), (81, 2755615), (85, 2625939), (135, 1653369), (153, 1458855), (255, 875313), (289, 772335), (405, 551123), (459, 486285), (765, 291771), (867, 257445), (1377, 162095), (1445, 154467), (1907, 117045), (2295, 97257), (2601, 85815), (4335, 51489), (5721, 39015), (6885, 32419), (7803, 28605), (9535, 23409), (13005, 17163)]