78126825

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{3037}}^1$

素因数の和:3071

約数の個数: 48

約数和(自身を含む): 150684800

約数和(自身を除く): 72557975

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 3037, 3675, 5145, 8575, 9111, 15185, 21259, 25725, 45555, 63777, 75925, 106295, 148813, 227775, 318885, 446439, 531475, 744065, 1041691, 1594425, 2232195, 3125073, 3720325, 5208455, 11160975, 15625365, 26042275, 78126825]

約数ペア:

[(1, 78126825), (3, 26042275), (5, 15625365), (7, 11160975), (15, 5208455), (21, 3720325), (25, 3125073), (35, 2232195), (49, 1594425), (75, 1041691), (105, 744065), (147, 531475), (175, 446439), (245, 318885), (343, 227775), (525, 148813), (735, 106295), (1029, 75925), (1225, 63777), (1715, 45555), (3037, 25725), (3675, 21259), (5145, 15185), (8575, 9111)]