2177595

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 4472832

約数和(自身を除く): 2295237

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 223, 279, 315, 465, 651, 669, 1085, 1115, 1395, 1561, 1953, 2007, 3255, 3345, 4683, 6913, 7805, 9765, 10035, 14049, 20739, 23415, 34565, 48391, 62217, 70245, 103695, 145173, 241955, 311085, 435519, 725865, 2177595]

約数ペア:

[(1, 2177595), (3, 725865), (5, 435519), (7, 311085), (9, 241955), (15, 145173), (21, 103695), (31, 70245), (35, 62217), (45, 48391), (63, 34565), (93, 23415), (105, 20739), (155, 14049), (217, 10035), (223, 9765), (279, 7805), (315, 6913), (465, 4683), (651, 3345), (669, 3255), (1085, 2007), (1115, 1953), (1395, 1561)]