143827775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 221319168

約数和(自身を除く): 77491393

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 191, 325, 331, 455, 955, 1337, 1655, 2275, 2317, 2483, 4303, 4775, 6685, 8275, 11585, 12415, 17381, 21515, 30121, 33425, 57925, 62075, 63221, 86905, 107575, 150605, 316105, 434525, 442547, 753025, 821873, 1580525, 2212735, 4109365, 5753111, 11063675, 20546825, 28765555, 143827775]

約数ペア:

[(1, 143827775), (5, 28765555), (7, 20546825), (13, 11063675), (25, 5753111), (35, 4109365), (65, 2212735), (91, 1580525), (175, 821873), (191, 753025), (325, 442547), (331, 434525), (455, 316105), (955, 150605), (1337, 107575), (1655, 86905), (2275, 63221), (2317, 62075), (2483, 57925), (4303, 33425), (4775, 30121), (6685, 21515), (8275, 17381), (11585, 12415)]