12219375

素因数分解:

$3^1\times 5^4\times 7^3\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 80

約数和(自身を含む): 24992000

約数和(自身を除く): 12772625

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 125, 133, 147, 175, 245, 285, 343, 375, 399, 475, 525, 625, 665, 735, 875, 931, 1029, 1225, 1425, 1715, 1875, 1995, 2375, 2625, 2793, 3325, 3675, 4375, 4655, 5145, 6125, 6517, 7125, 8575, 9975, 11875, 13125, 13965, 16625, 18375, 19551, 23275, 25725, 30625, 32585, 35625, 42875, 49875, 69825, 83125, 91875, 97755, 116375, 128625, 162925, 214375, 249375, 349125, 488775, 581875, 643125, 814625, 1745625, 2443875, 4073125, 12219375]

約数ペア:

[(1, 12219375), (3, 4073125), (5, 2443875), (7, 1745625), (15, 814625), (19, 643125), (21, 581875), (25, 488775), (35, 349125), (49, 249375), (57, 214375), (75, 162925), (95, 128625), (105, 116375), (125, 97755), (133, 91875), (147, 83125), (175, 69825), (245, 49875), (285, 42875), (343, 35625), (375, 32585), (399, 30625), (475, 25725), (525, 23275), (625, 19551), (665, 18375), (735, 16625), (875, 13965), (931, 13125), (1029, 11875), (1225, 9975), (1425, 8575), (1715, 7125), (1875, 6517), (1995, 6125), (2375, 5145), (2625, 4655), (2793, 4375), (3325, 3675)]