211696575

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2803}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 375511680

約数和(自身を除く): 163815105

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 159, 265, 285, 475, 795, 1007, 1325, 1425, 2803, 3021, 3975, 5035, 8409, 14015, 15105, 25175, 42045, 53257, 70075, 75525, 148559, 159771, 210225, 266285, 445677, 742795, 798855, 1331425, 2228385, 2822621, 3713975, 3994275, 8467863, 11141925, 14113105, 42339315, 70565525, 211696575]

約数ペア:

[(1, 211696575), (3, 70565525), (5, 42339315), (15, 14113105), (19, 11141925), (25, 8467863), (53, 3994275), (57, 3713975), (75, 2822621), (95, 2228385), (159, 1331425), (265, 798855), (285, 742795), (475, 445677), (795, 266285), (1007, 210225), (1325, 159771), (1425, 148559), (2803, 75525), (3021, 70075), (3975, 53257), (5035, 42045), (8409, 25175), (14015, 15105)]