18319875

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 35496864

約数和(自身を除く): 17176989

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 525, 735, 875, 997, 1225, 2625, 2991, 3675, 4985, 6125, 6979, 14955, 18375, 20937, 24925, 34895, 48853, 74775, 104685, 124625, 146559, 174475, 244265, 373875, 523425, 732795, 872375, 1221325, 2617125, 3663975, 6106625, 18319875]

約数ペア:

[(1, 18319875), (3, 6106625), (5, 3663975), (7, 2617125), (15, 1221325), (21, 872375), (25, 732795), (35, 523425), (49, 373875), (75, 244265), (105, 174475), (125, 146559), (147, 124625), (175, 104685), (245, 74775), (375, 48853), (525, 34895), (735, 24925), (875, 20937), (997, 18375), (1225, 14955), (2625, 6979), (2991, 6125), (3675, 4985)]