16805775

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 34350480

約数和(自身を除く): 17544705

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 75, 85, 105, 119, 147, 175, 245, 255, 269, 357, 425, 525, 595, 735, 807, 833, 1225, 1275, 1345, 1785, 1883, 2499, 2975, 3675, 4035, 4165, 4573, 5649, 6725, 8925, 9415, 12495, 13181, 13719, 20175, 20825, 22865, 28245, 32011, 39543, 47075, 62475, 65905, 68595, 96033, 114325, 141225, 160055, 197715, 224077, 329525, 342975, 480165, 672231, 800275, 988575, 1120385, 2400825, 3361155, 5601925, 16805775]

約数ペア:

[(1, 16805775), (3, 5601925), (5, 3361155), (7, 2400825), (15, 1120385), (17, 988575), (21, 800275), (25, 672231), (35, 480165), (49, 342975), (51, 329525), (75, 224077), (85, 197715), (105, 160055), (119, 141225), (147, 114325), (175, 96033), (245, 68595), (255, 65905), (269, 62475), (357, 47075), (425, 39543), (525, 32011), (595, 28245), (735, 22865), (807, 20825), (833, 20175), (1225, 13719), (1275, 13181), (1345, 12495), (1785, 9415), (1883, 8925), (2499, 6725), (2975, 5649), (3675, 4573), (4035, 4165)]