16659225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 33426432

約数和(自身を除く): 16767207

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 53, 55, 75, 99, 127, 159, 165, 225, 265, 275, 381, 477, 495, 583, 635, 795, 825, 1143, 1325, 1397, 1749, 1905, 2385, 2475, 2915, 3175, 3975, 4191, 5247, 5715, 6731, 6985, 8745, 9525, 11925, 12573, 14575, 20193, 20955, 26235, 28575, 33655, 34925, 43725, 60579, 62865, 74041, 100965, 104775, 131175, 168275, 222123, 302895, 314325, 370205, 504825, 666369, 1110615, 1514475, 1851025, 3331845, 5553075, 16659225]

約数ペア:

[(1, 16659225), (3, 5553075), (5, 3331845), (9, 1851025), (11, 1514475), (15, 1110615), (25, 666369), (33, 504825), (45, 370205), (53, 314325), (55, 302895), (75, 222123), (99, 168275), (127, 131175), (159, 104775), (165, 100965), (225, 74041), (265, 62865), (275, 60579), (381, 43725), (477, 34925), (495, 33655), (583, 28575), (635, 26235), (795, 20955), (825, 20193), (1143, 14575), (1325, 12573), (1397, 11925), (1749, 9525), (1905, 8745), (2385, 6985), (2475, 6731), (2915, 5715), (3175, 5247), (3975, 4191)]