71647575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 125944320

約数和(自身を除く): 54296745

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 137, 285, 367, 411, 475, 685, 1101, 1425, 1835, 2055, 2603, 3425, 5505, 6973, 7809, 9175, 10275, 13015, 20919, 27525, 34865, 39045, 50279, 65075, 104595, 150837, 174325, 195225, 251395, 522975, 754185, 955301, 1256975, 2865903, 3770925, 4776505, 14329515, 23882525, 71647575]

約数ペア:

[(1, 71647575), (3, 23882525), (5, 14329515), (15, 4776505), (19, 3770925), (25, 2865903), (57, 1256975), (75, 955301), (95, 754185), (137, 522975), (285, 251395), (367, 195225), (411, 174325), (475, 150837), (685, 104595), (1101, 65075), (1425, 50279), (1835, 39045), (2055, 34865), (2603, 27525), (3425, 20919), (5505, 13015), (6973, 10275), (7809, 9175)]