28999425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 60162816

約数和(自身を除く): 31163391

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 49, 65, 75, 91, 105, 147, 175, 195, 245, 273, 325, 455, 525, 607, 637, 735, 975, 1225, 1365, 1821, 1911, 2275, 3035, 3185, 3675, 4249, 6825, 7891, 9105, 9555, 12747, 15175, 15925, 21245, 23673, 29743, 39455, 45525, 47775, 55237, 63735, 89229, 106225, 118365, 148715, 165711, 197275, 276185, 318675, 386659, 446145, 591825, 743575, 828555, 1159977, 1380925, 1933295, 2230725, 4142775, 5799885, 9666475, 28999425]

約数ペア:

[(1, 28999425), (3, 9666475), (5, 5799885), (7, 4142775), (13, 2230725), (15, 1933295), (21, 1380925), (25, 1159977), (35, 828555), (39, 743575), (49, 591825), (65, 446145), (75, 386659), (91, 318675), (105, 276185), (147, 197275), (175, 165711), (195, 148715), (245, 118365), (273, 106225), (325, 89229), (455, 63735), (525, 55237), (607, 47775), (637, 45525), (735, 39455), (975, 29743), (1225, 23673), (1365, 21245), (1821, 15925), (1911, 15175), (2275, 12747), (3035, 9555), (3185, 9105), (3675, 7891), (4249, 6825)]