219636405

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{919}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 392670720

約数和(自身を除く): 173034315

約数列:

[1, 3, 5, 9, 15, 45, 47, 113, 141, 235, 339, 423, 565, 705, 919, 1017, 1695, 2115, 2757, 4595, 5085, 5311, 8271, 13785, 15933, 26555, 41355, 43193, 47799, 79665, 103847, 129579, 215965, 238995, 311541, 388737, 519235, 647895, 934623, 1557705, 1943685, 4673115, 4880809, 14642427, 24404045, 43927281, 73212135, 219636405]

約数ペア:

[(1, 219636405), (3, 73212135), (5, 43927281), (9, 24404045), (15, 14642427), (45, 4880809), (47, 4673115), (113, 1943685), (141, 1557705), (235, 934623), (339, 647895), (423, 519235), (565, 388737), (705, 311541), (919, 238995), (1017, 215965), (1695, 129579), (2115, 103847), (2757, 79665), (4595, 47799), (5085, 43193), (5311, 41355), (8271, 26555), (13785, 15933)]