74401605

素因数分解:

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

素因数の和:1955

約数の個数: 48

約数和(自身を含む): 140581440

約数和(自身を除く): 66179835

約数列:

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

約数ペア:

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