51480135

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 106775136

約数和(自身を除く): 55295001

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 111, 147, 185, 245, 259, 315, 333, 441, 555, 631, 735, 777, 1295, 1665, 1813, 1893, 2205, 2331, 3155, 3885, 4417, 5439, 5679, 9065, 9465, 11655, 13251, 16317, 22085, 23347, 27195, 28395, 30919, 39753, 66255, 70041, 81585, 92757, 116735, 154595, 163429, 198765, 210123, 278271, 350205, 463785, 490287, 817145, 1050615, 1144003, 1391355, 1470861, 2451435, 3432009, 5720015, 7354305, 10296027, 17160045, 51480135]

約数ペア:

[(1, 51480135), (3, 17160045), (5, 10296027), (7, 7354305), (9, 5720015), (15, 3432009), (21, 2451435), (35, 1470861), (37, 1391355), (45, 1144003), (49, 1050615), (63, 817145), (105, 490287), (111, 463785), (147, 350205), (185, 278271), (245, 210123), (259, 198765), (315, 163429), (333, 154595), (441, 116735), (555, 92757), (631, 81585), (735, 70041), (777, 66255), (1295, 39753), (1665, 30919), (1813, 28395), (1893, 27195), (2205, 23347), (2331, 22085), (3155, 16317), (3885, 13251), (4417, 11655), (5439, 9465), (5679, 9065)]