78825015

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 149760000

約数和(自身を除く): 70934985

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 79, 95, 135, 171, 237, 285, 389, 395, 513, 711, 855, 1167, 1185, 1501, 1945, 2133, 2565, 3501, 3555, 4503, 5835, 7391, 7505, 10503, 10665, 13509, 17505, 22173, 22515, 30731, 36955, 40527, 52515, 66519, 67545, 92193, 110865, 153655, 199557, 202635, 276579, 332595, 460965, 583889, 829737, 997785, 1382895, 1751667, 2919445, 4148685, 5255001, 8758335, 15765003, 26275005, 78825015]

約数ペア:

[(1, 78825015), (3, 26275005), (5, 15765003), (9, 8758335), (15, 5255001), (19, 4148685), (27, 2919445), (45, 1751667), (57, 1382895), (79, 997785), (95, 829737), (135, 583889), (171, 460965), (237, 332595), (285, 276579), (389, 202635), (395, 199557), (513, 153655), (711, 110865), (855, 92193), (1167, 67545), (1185, 66519), (1501, 52515), (1945, 40527), (2133, 36955), (2565, 30731), (3501, 22515), (3555, 22173), (4503, 17505), (5835, 13509), (7391, 10665), (7505, 10503)]