351307905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 613650240

約数和(自身を除く): 262342335

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 169, 195, 417, 507, 695, 845, 997, 1807, 2085, 2535, 2991, 4985, 5421, 9035, 12961, 14955, 23491, 27105, 38883, 64805, 70473, 117455, 138583, 168493, 194415, 352365, 415749, 505479, 692915, 842465, 1801579, 2078745, 2527395, 5404737, 9007895, 23420527, 27023685, 70261581, 117102635, 351307905]

約数ペア:

[(1, 351307905), (3, 117102635), (5, 70261581), (13, 27023685), (15, 23420527), (39, 9007895), (65, 5404737), (139, 2527395), (169, 2078745), (195, 1801579), (417, 842465), (507, 692915), (695, 505479), (845, 415749), (997, 352365), (1807, 194415), (2085, 168493), (2535, 138583), (2991, 117455), (4985, 70473), (5421, 64805), (9035, 38883), (12961, 27105), (14955, 23491)]