90049407

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 145861632

約数和(自身を除く): 55812225

約数列:

[1, 3, 7, 21, 41, 49, 67, 123, 147, 201, 223, 287, 469, 669, 861, 1407, 1561, 2009, 2747, 3283, 4683, 6027, 8241, 9143, 9849, 10927, 14941, 19229, 27429, 32781, 44823, 57687, 64001, 104587, 134603, 192003, 313761, 403809, 448007, 612581, 732109, 1344021, 1837743, 2196327, 4288067, 12864201, 30016469, 90049407]

約数ペア:

[(1, 90049407), (3, 30016469), (7, 12864201), (21, 4288067), (41, 2196327), (49, 1837743), (67, 1344021), (123, 732109), (147, 612581), (201, 448007), (223, 403809), (287, 313761), (469, 192003), (669, 134603), (861, 104587), (1407, 64001), (1561, 57687), (2009, 44823), (2747, 32781), (3283, 27429), (4683, 19229), (6027, 14941), (8241, 10927), (9143, 9849)]