4989495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 9999360

約数和(自身を除く): 5009865

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 41, 57, 61, 95, 105, 123, 133, 183, 205, 285, 287, 305, 399, 427, 615, 665, 779, 861, 915, 1159, 1281, 1435, 1995, 2135, 2337, 2501, 3477, 3895, 4305, 5453, 5795, 6405, 7503, 8113, 11685, 12505, 16359, 17385, 17507, 24339, 27265, 37515, 40565, 47519, 52521, 81795, 87535, 121695, 142557, 237595, 262605, 332633, 712785, 997899, 1663165, 4989495]

約数ペア:

[(1, 4989495), (3, 1663165), (5, 997899), (7, 712785), (15, 332633), (19, 262605), (21, 237595), (35, 142557), (41, 121695), (57, 87535), (61, 81795), (95, 52521), (105, 47519), (123, 40565), (133, 37515), (183, 27265), (205, 24339), (285, 17507), (287, 17385), (305, 16359), (399, 12505), (427, 11685), (615, 8113), (665, 7503), (779, 6405), (861, 5795), (915, 5453), (1159, 4305), (1281, 3895), (1435, 3477), (1995, 2501), (2135, 2337)]