15850395

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 31370976

約数和(自身を除く): 15520581

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 71, 99, 121, 123, 165, 205, 213, 355, 363, 369, 451, 495, 605, 615, 639, 781, 1065, 1089, 1353, 1815, 1845, 2255, 2343, 2911, 3195, 3905, 4059, 4961, 5445, 6765, 7029, 8591, 8733, 11715, 14555, 14883, 20295, 24805, 25773, 26199, 32021, 35145, 42955, 43665, 44649, 74415, 77319, 96063, 128865, 130995, 160105, 223245, 288189, 352231, 386595, 480315, 1056693, 1440945, 1761155, 3170079, 5283465, 15850395]

約数ペア:

[(1, 15850395), (3, 5283465), (5, 3170079), (9, 1761155), (11, 1440945), (15, 1056693), (33, 480315), (41, 386595), (45, 352231), (55, 288189), (71, 223245), (99, 160105), (121, 130995), (123, 128865), (165, 96063), (205, 77319), (213, 74415), (355, 44649), (363, 43665), (369, 42955), (451, 35145), (495, 32021), (605, 26199), (615, 25773), (639, 24805), (781, 20295), (1065, 14883), (1089, 14555), (1353, 11715), (1815, 8733), (1845, 8591), (2255, 7029), (2343, 6765), (2911, 5445), (3195, 4961), (3905, 4059)]