31493925

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 29439675

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 53, 57, 75, 95, 139, 159, 171, 225, 265, 285, 417, 475, 477, 695, 795, 855, 1007, 1251, 1325, 1425, 2085, 2385, 2641, 3021, 3475, 3975, 4275, 5035, 6255, 7367, 7923, 9063, 10425, 11925, 13205, 15105, 22101, 23769, 25175, 31275, 36835, 39615, 45315, 66025, 66303, 75525, 110505, 118845, 139973, 184175, 198075, 226575, 331515, 419919, 552525, 594225, 699865, 1259757, 1657575, 2099595, 3499325, 6298785, 10497975, 31493925]

約数ペア:

[(1, 31493925), (3, 10497975), (5, 6298785), (9, 3499325), (15, 2099595), (19, 1657575), (25, 1259757), (45, 699865), (53, 594225), (57, 552525), (75, 419919), (95, 331515), (139, 226575), (159, 198075), (171, 184175), (225, 139973), (265, 118845), (285, 110505), (417, 75525), (475, 66303), (477, 66025), (695, 45315), (795, 39615), (855, 36835), (1007, 31275), (1251, 25175), (1325, 23769), (1425, 22101), (2085, 15105), (2385, 13205), (2641, 11925), (3021, 10425), (3475, 9063), (3975, 7923), (4275, 7367), (5035, 6255)]