2420355

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 4678560

約数和(自身を除く): 2258205

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 89, 105, 111, 147, 185, 245, 259, 267, 445, 555, 623, 735, 777, 1295, 1335, 1813, 1869, 3115, 3293, 3885, 4361, 5439, 9065, 9345, 9879, 13083, 16465, 21805, 23051, 27195, 49395, 65415, 69153, 115255, 161357, 345765, 484071, 806785, 2420355]

約数ペア:

[(1, 2420355), (3, 806785), (5, 484071), (7, 345765), (15, 161357), (21, 115255), (35, 69153), (37, 65415), (49, 49395), (89, 27195), (105, 23051), (111, 21805), (147, 16465), (185, 13083), (245, 9879), (259, 9345), (267, 9065), (445, 5439), (555, 4361), (623, 3885), (735, 3293), (777, 3115), (1295, 1869), (1335, 1813)]