399185025

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 676742400

約数和(自身を除く): 277557375

約数列:

[1, 3, 5, 15, 25, 75, 79, 89, 237, 267, 395, 445, 757, 1185, 1335, 1975, 2225, 2271, 3785, 5925, 6675, 7031, 11355, 18925, 21093, 35155, 56775, 59803, 67373, 105465, 175775, 179409, 202119, 299015, 336865, 527325, 897045, 1010595, 1495075, 1684325, 4485225, 5052975, 5322467, 15967401, 26612335, 79837005, 133061675, 399185025]

約数ペア:

[(1, 399185025), (3, 133061675), (5, 79837005), (15, 26612335), (25, 15967401), (75, 5322467), (79, 5052975), (89, 4485225), (237, 1684325), (267, 1495075), (395, 1010595), (445, 897045), (757, 527325), (1185, 336865), (1335, 299015), (1975, 202119), (2225, 179409), (2271, 175775), (3785, 105465), (5925, 67373), (6675, 59803), (7031, 56775), (11355, 35155), (18925, 21093)]