31326975

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 59540832

約数和(自身を除く): 28213857

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 53, 71, 75, 111, 159, 185, 213, 225, 265, 333, 355, 477, 555, 639, 795, 925, 1065, 1325, 1665, 1775, 1961, 2385, 2627, 2775, 3195, 3763, 3975, 5325, 5883, 7881, 8325, 9805, 11289, 11925, 13135, 15975, 17649, 18815, 23643, 29415, 33867, 39405, 49025, 56445, 65675, 88245, 94075, 118215, 139231, 147075, 169335, 197025, 282225, 417693, 441225, 591075, 696155, 846675, 1253079, 2088465, 3480775, 6265395, 10442325, 31326975]

約数ペア:

[(1, 31326975), (3, 10442325), (5, 6265395), (9, 3480775), (15, 2088465), (25, 1253079), (37, 846675), (45, 696155), (53, 591075), (71, 441225), (75, 417693), (111, 282225), (159, 197025), (185, 169335), (213, 147075), (225, 139231), (265, 118215), (333, 94075), (355, 88245), (477, 65675), (555, 56445), (639, 49025), (795, 39405), (925, 33867), (1065, 29415), (1325, 23643), (1665, 18815), (1775, 17649), (1961, 15975), (2385, 13135), (2627, 11925), (2775, 11289), (3195, 9805), (3763, 8325), (3975, 7881), (5325, 5883)]