51279975

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^2\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 54

約数和(自身を含む): 95475536

約数和(自身を除く): 44195561

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 271, 435, 725, 813, 841, 1305, 1355, 2175, 2439, 2523, 4065, 4205, 6525, 6775, 7569, 7859, 12195, 12615, 20325, 21025, 23577, 37845, 39295, 60975, 63075, 70731, 117885, 189225, 196475, 227911, 353655, 589425, 683733, 1139555, 1768275, 2051199, 3418665, 5697775, 10255995, 17093325, 51279975]

約数ペア:

[(1, 51279975), (3, 17093325), (5, 10255995), (9, 5697775), (15, 3418665), (25, 2051199), (29, 1768275), (45, 1139555), (75, 683733), (87, 589425), (145, 353655), (225, 227911), (261, 196475), (271, 189225), (435, 117885), (725, 70731), (813, 63075), (841, 60975), (1305, 39295), (1355, 37845), (2175, 23577), (2439, 21025), (2523, 20325), (4065, 12615), (4205, 12195), (6525, 7859), (6775, 7569)]