4678947

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 8648640

約数和(自身を除く): 3969693

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 197, 203, 261, 273, 377, 591, 609, 819, 1131, 1379, 1773, 1827, 2561, 2639, 3393, 4137, 5713, 7683, 7917, 12411, 17139, 17927, 23049, 23751, 39991, 51417, 53781, 74269, 119973, 161343, 222807, 359919, 519883, 668421, 1559649, 4678947]

約数ペア:

[(1, 4678947), (3, 1559649), (7, 668421), (9, 519883), (13, 359919), (21, 222807), (29, 161343), (39, 119973), (63, 74269), (87, 53781), (91, 51417), (117, 39991), (197, 23751), (203, 23049), (261, 17927), (273, 17139), (377, 12411), (591, 7917), (609, 7683), (819, 5713), (1131, 4137), (1379, 3393), (1773, 2639), (1827, 2561)]