298881135

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1523}}^1$

素因数の和:1637

約数の個数: 72

約数和(自身を含む): 609813360

約数和(自身を除く): 310932225

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 89, 105, 147, 245, 267, 315, 441, 445, 623, 735, 801, 1335, 1523, 1869, 2205, 3115, 4005, 4361, 4569, 5607, 7615, 9345, 10661, 13083, 13707, 21805, 22845, 28035, 31983, 39249, 53305, 65415, 68535, 74627, 95949, 135547, 159915, 196245, 223881, 373135, 406641, 479745, 671643, 677735, 948829, 1119405, 1219923, 2033205, 2846487, 3358215, 4744145, 6099615, 6641803, 8539461, 14232435, 19925409, 33209015, 42697305, 59776227, 99627045, 298881135]

約数ペア:

[(1, 298881135), (3, 99627045), (5, 59776227), (7, 42697305), (9, 33209015), (15, 19925409), (21, 14232435), (35, 8539461), (45, 6641803), (49, 6099615), (63, 4744145), (89, 3358215), (105, 2846487), (147, 2033205), (245, 1219923), (267, 1119405), (315, 948829), (441, 677735), (445, 671643), (623, 479745), (735, 406641), (801, 373135), (1335, 223881), (1523, 196245), (1869, 159915), (2205, 135547), (3115, 95949), (4005, 74627), (4361, 68535), (4569, 65415), (5607, 53305), (7615, 39249), (9345, 31983), (10661, 28035), (13083, 22845), (13707, 21805)]