2842749

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 5270400

約数和(自身を除く): 2427651

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 89, 91, 117, 169, 189, 267, 273, 351, 507, 623, 801, 819, 1157, 1183, 1521, 1869, 2403, 2457, 3471, 3549, 4563, 5607, 8099, 10413, 10647, 15041, 16821, 24297, 31239, 31941, 45123, 72891, 105287, 135369, 218673, 315861, 406107, 947583, 2842749]

約数ペア:

[(1, 2842749), (3, 947583), (7, 406107), (9, 315861), (13, 218673), (21, 135369), (27, 105287), (39, 72891), (63, 45123), (89, 31941), (91, 31239), (117, 24297), (169, 16821), (189, 15041), (267, 10647), (273, 10413), (351, 8099), (507, 5607), (623, 4563), (801, 3549), (819, 3471), (1157, 2457), (1183, 2403), (1521, 1869)]