72738405

素因数分解:

$3^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 132035904

約数和(自身を除く): 59297499

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 243, 393, 405, 457, 655, 1179, 1215, 1371, 1965, 2285, 3537, 4113, 5895, 6855, 10611, 12339, 17685, 20565, 31833, 37017, 53055, 59867, 61695, 111051, 159165, 179601, 185085, 299335, 538803, 555255, 898005, 1616409, 2694015, 4849227, 8082045, 14547681, 24246135, 72738405]

約数ペア:

[(1, 72738405), (3, 24246135), (5, 14547681), (9, 8082045), (15, 4849227), (27, 2694015), (45, 1616409), (81, 898005), (131, 555255), (135, 538803), (243, 299335), (393, 185085), (405, 179601), (457, 159165), (655, 111051), (1179, 61695), (1215, 59867), (1371, 53055), (1965, 37017), (2285, 31833), (3537, 20565), (4113, 17685), (5895, 12339), (6855, 10611)]