84021705

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 162043200

約数和(自身を除く): 78021495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 61, 81, 95, 135, 171, 179, 183, 285, 305, 405, 513, 537, 549, 855, 895, 915, 1159, 1539, 1611, 1647, 2565, 2685, 2745, 3401, 3477, 4833, 4941, 5795, 7695, 8055, 8235, 10203, 10431, 10919, 14499, 17005, 17385, 24165, 24705, 30609, 31293, 32757, 51015, 52155, 54595, 72495, 91827, 93879, 98271, 153045, 156465, 163785, 207461, 275481, 294813, 459135, 469395, 491355, 622383, 884439, 1037305, 1377405, 1474065, 1867149, 3111915, 4422195, 5601447, 9335745, 16804341, 28007235, 84021705]

約数ペア:

[(1, 84021705), (3, 28007235), (5, 16804341), (9, 9335745), (15, 5601447), (19, 4422195), (27, 3111915), (45, 1867149), (57, 1474065), (61, 1377405), (81, 1037305), (95, 884439), (135, 622383), (171, 491355), (179, 469395), (183, 459135), (285, 294813), (305, 275481), (405, 207461), (513, 163785), (537, 156465), (549, 153045), (855, 98271), (895, 93879), (915, 91827), (1159, 72495), (1539, 54595), (1611, 52155), (1647, 51015), (2565, 32757), (2685, 31293), (2745, 30609), (3401, 24705), (3477, 24165), (4833, 17385), (4941, 17005), (5795, 14499), (7695, 10919), (8055, 10431), (8235, 10203)]