281022903

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2003}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 495196416

約数和(自身を除く): 214173513

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 131, 153, 357, 393, 917, 1071, 1179, 2003, 2227, 2751, 6009, 6681, 8253, 14021, 15589, 18027, 20043, 34051, 42063, 46767, 102153, 126189, 140301, 238357, 262393, 306459, 715071, 787179, 1836751, 2145213, 2361537, 4460681, 5510253, 13382043, 16530759, 31224767, 40146129, 93674301, 281022903]

約数ペア:

[(1, 281022903), (3, 93674301), (7, 40146129), (9, 31224767), (17, 16530759), (21, 13382043), (51, 5510253), (63, 4460681), (119, 2361537), (131, 2145213), (153, 1836751), (357, 787179), (393, 715071), (917, 306459), (1071, 262393), (1179, 238357), (2003, 140301), (2227, 126189), (2751, 102153), (6009, 46767), (6681, 42063), (8253, 34051), (14021, 20043), (15589, 18027)]