28395015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 53747712

約数和(自身を除く): 25352697

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 53, 55, 85, 159, 165, 187, 191, 255, 265, 561, 573, 583, 795, 901, 935, 955, 1749, 2101, 2703, 2805, 2865, 2915, 3247, 4505, 6303, 8745, 9741, 9911, 10123, 10505, 13515, 16235, 29733, 30369, 31515, 35717, 48705, 49555, 50615, 107151, 111353, 148665, 151845, 172091, 178585, 334059, 516273, 535755, 556765, 860455, 1670295, 1893001, 2581365, 5679003, 9465005, 28395015]

約数ペア:

[(1, 28395015), (3, 9465005), (5, 5679003), (11, 2581365), (15, 1893001), (17, 1670295), (33, 860455), (51, 556765), (53, 535755), (55, 516273), (85, 334059), (159, 178585), (165, 172091), (187, 151845), (191, 148665), (255, 111353), (265, 107151), (561, 50615), (573, 49555), (583, 48705), (795, 35717), (901, 31515), (935, 30369), (955, 29733), (1749, 16235), (2101, 13515), (2703, 10505), (2805, 10123), (2865, 9911), (2915, 9741), (3247, 8745), (4505, 6303)]