1916407725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{1321}}^1$

素因数の和:1415

約数の個数: 72

約数和(自身を含む): 3426750912

約数和(自身を除く): 1510343187

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 145, 345, 435, 575, 667, 725, 841, 1321, 1725, 2001, 2175, 2523, 3335, 3963, 4205, 6605, 10005, 12615, 16675, 19343, 19815, 21025, 30383, 33025, 38309, 50025, 58029, 63075, 91149, 96715, 99075, 114927, 151915, 191545, 290145, 455745, 483575, 574635, 759575, 881107, 957725, 1110961, 1450725, 2278725, 2643321, 2873175, 3332883, 4405535, 5554805, 13216605, 16664415, 22027675, 25552103, 27774025, 66083025, 76656309, 83322075, 127760515, 383281545, 638802575, 1916407725]

約数ペア:

[(1, 1916407725), (3, 638802575), (5, 383281545), (15, 127760515), (23, 83322075), (25, 76656309), (29, 66083025), (69, 27774025), (75, 25552103), (87, 22027675), (115, 16664415), (145, 13216605), (345, 5554805), (435, 4405535), (575, 3332883), (667, 2873175), (725, 2643321), (841, 2278725), (1321, 1450725), (1725, 1110961), (2001, 957725), (2175, 881107), (2523, 759575), (3335, 574635), (3963, 483575), (4205, 455745), (6605, 290145), (10005, 191545), (12615, 151915), (16675, 114927), (19343, 99075), (19815, 96715), (21025, 91149), (30383, 63075), (33025, 58029), (38309, 50025)]