51507225

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1028

約数の個数: 96

約数和(自身を含む): 118087680

約数和(自身を除く): 66580455

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 27, 33, 35, 45, 55, 63, 75, 77, 99, 105, 135, 165, 175, 189, 225, 231, 275, 297, 315, 385, 495, 525, 675, 693, 825, 945, 991, 1155, 1485, 1575, 1925, 2079, 2475, 2973, 3465, 4725, 4955, 5775, 6937, 7425, 8919, 10395, 10901, 14865, 17325, 20811, 24775, 26757, 32703, 34685, 44595, 51975, 54505, 62433, 74325, 76307, 98109, 104055, 133785, 163515, 173425, 187299, 222975, 228921, 272525, 294327, 312165, 381535, 490545, 520275, 668925, 686763, 817575, 936495, 1144605, 1471635, 1560825, 1907675, 2060289, 2452725, 3433815, 4682475, 5723025, 7358175, 10301445, 17169075, 51507225]

約数ペア:

[(1, 51507225), (3, 17169075), (5, 10301445), (7, 7358175), (9, 5723025), (11, 4682475), (15, 3433815), (21, 2452725), (25, 2060289), (27, 1907675), (33, 1560825), (35, 1471635), (45, 1144605), (55, 936495), (63, 817575), (75, 686763), (77, 668925), (99, 520275), (105, 490545), (135, 381535), (165, 312165), (175, 294327), (189, 272525), (225, 228921), (231, 222975), (275, 187299), (297, 173425), (315, 163515), (385, 133785), (495, 104055), (525, 98109), (675, 76307), (693, 74325), (825, 62433), (945, 54505), (991, 51975), (1155, 44595), (1485, 34685), (1575, 32703), (1925, 26757), (2079, 24775), (2475, 20811), (2973, 17325), (3465, 14865), (4725, 10901), (4955, 10395), (5775, 8919), (6937, 7425)]