2158695

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 4801680

約数和(自身を除く): 2642985

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 77, 89, 99, 105, 147, 165, 231, 245, 267, 315, 385, 441, 445, 495, 539, 623, 693, 735, 801, 979, 1155, 1335, 1617, 1869, 2205, 2695, 2937, 3115, 3465, 4005, 4361, 4851, 4895, 5607, 6853, 8085, 8811, 9345, 13083, 14685, 20559, 21805, 24255, 28035, 34265, 39249, 44055, 47971, 61677, 65415, 102795, 143913, 196245, 239855, 308385, 431739, 719565, 2158695]

約数ペア:

[(1, 2158695), (3, 719565), (5, 431739), (7, 308385), (9, 239855), (11, 196245), (15, 143913), (21, 102795), (33, 65415), (35, 61677), (45, 47971), (49, 44055), (55, 39249), (63, 34265), (77, 28035), (89, 24255), (99, 21805), (105, 20559), (147, 14685), (165, 13083), (231, 9345), (245, 8811), (267, 8085), (315, 6853), (385, 5607), (441, 4895), (445, 4851), (495, 4361), (539, 4005), (623, 3465), (693, 3115), (735, 2937), (801, 2695), (979, 2205), (1155, 1869), (1335, 1617)]