77963325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^4\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 60

約数和(自身を含む): 143785440

約数和(自身を除く): 65822115

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 121, 165, 213, 275, 355, 363, 605, 781, 825, 1065, 1331, 1775, 1815, 2343, 3025, 3905, 3993, 5325, 6655, 8591, 9075, 11715, 14641, 19525, 19965, 25773, 33275, 42955, 43923, 58575, 73205, 94501, 99825, 128865, 214775, 219615, 283503, 366025, 472505, 644325, 1039511, 1098075, 1417515, 2362525, 3118533, 5197555, 7087575, 15592665, 25987775, 77963325]

約数ペア:

[(1, 77963325), (3, 25987775), (5, 15592665), (11, 7087575), (15, 5197555), (25, 3118533), (33, 2362525), (55, 1417515), (71, 1098075), (75, 1039511), (121, 644325), (165, 472505), (213, 366025), (275, 283503), (355, 219615), (363, 214775), (605, 128865), (781, 99825), (825, 94501), (1065, 73205), (1331, 58575), (1775, 43923), (1815, 42955), (2343, 33275), (3025, 25773), (3905, 19965), (3993, 19525), (5325, 14641), (6655, 11715), (8591, 9075)]