51425115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 100224000

約数和(自身を除く): 48798885

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 149, 173, 285, 399, 447, 519, 665, 745, 865, 1043, 1211, 1995, 2235, 2595, 2831, 3129, 3287, 3633, 5215, 6055, 8493, 9861, 14155, 15645, 16435, 18165, 19817, 23009, 25777, 42465, 49305, 59451, 69027, 77331, 99085, 115045, 128885, 180439, 297255, 345135, 386655, 489763, 541317, 902195, 1469289, 2448815, 2706585, 3428341, 7346445, 10285023, 17141705, 51425115]

約数ペア:

[(1, 51425115), (3, 17141705), (5, 10285023), (7, 7346445), (15, 3428341), (19, 2706585), (21, 2448815), (35, 1469289), (57, 902195), (95, 541317), (105, 489763), (133, 386655), (149, 345135), (173, 297255), (285, 180439), (399, 128885), (447, 115045), (519, 99085), (665, 77331), (745, 69027), (865, 59451), (1043, 49305), (1211, 42465), (1995, 25777), (2235, 23009), (2595, 19817), (2831, 18165), (3129, 16435), (3287, 15645), (3633, 14155), (5215, 9861), (6055, 8493)]