42420015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 86143824

約数和(自身を除く): 43723809

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 71, 85, 99, 153, 165, 187, 213, 255, 355, 495, 561, 639, 765, 781, 935, 1065, 1207, 1683, 2343, 2805, 3195, 3621, 3905, 5041, 6035, 7029, 8415, 10863, 11715, 13277, 15123, 18105, 25205, 35145, 39831, 45369, 54315, 55451, 66385, 75615, 85697, 119493, 166353, 199155, 226845, 257091, 277255, 428485, 499059, 597465, 771273, 831765, 942667, 1285455, 2495295, 2828001, 3856365, 4713335, 8484003, 14140005, 42420015]

約数ペア:

[(1, 42420015), (3, 14140005), (5, 8484003), (9, 4713335), (11, 3856365), (15, 2828001), (17, 2495295), (33, 1285455), (45, 942667), (51, 831765), (55, 771273), (71, 597465), (85, 499059), (99, 428485), (153, 277255), (165, 257091), (187, 226845), (213, 199155), (255, 166353), (355, 119493), (495, 85697), (561, 75615), (639, 66385), (765, 55451), (781, 54315), (935, 45369), (1065, 39831), (1207, 35145), (1683, 25205), (2343, 18105), (2805, 15123), (3195, 13277), (3621, 11715), (3905, 10863), (5041, 8415), (6035, 7029)]