2749965.00000000

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 32381856

約数和(自身を除く): 15815781

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 61, 71, 75, 85, 153, 183, 213, 225, 255, 305, 355, 425, 549, 639, 765, 915, 1037, 1065, 1207, 1275, 1525, 1775, 2745, 3111, 3195, 3621, 3825, 4331, 4575, 5185, 5325, 6035, 9333, 10863, 12993, 13725, 15555, 15975, 18105, 21655, 25925, 30175, 38979, 46665, 54315, 64965, 73627, 77775, 90525, 108275, 194895, 220881, 233325, 271575, 324825, 368135, 662643, 974475, 1104405, 1840675, 3313215, 5522025, 16566075]

約数ペア:

[(1, 16566075), (3, 5522025), (5, 3313215), (9, 1840675), (15, 1104405), (17, 974475), (25, 662643), (45, 368135), (51, 324825), (61, 271575), (71, 233325), (75, 220881), (85, 194895), (153, 108275), (183, 90525), (213, 77775), (225, 73627), (255, 64965), (305, 54315), (355, 46665), (425, 38979), (549, 30175), (639, 25925), (765, 21655), (915, 18105), (1037, 15975), (1065, 15555), (1207, 13725), (1275, 12993), (1525, 10863), (1775, 9333), (2745, 6035), (3111, 5325), (3195, 5185), (3621, 4575), (3825, 4331)]