219230895

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1692

約数の個数: 64

約数和(自身を含む): 409981824

約数和(自身を除く): 190750929

約数列:

[1, 3, 5, 13, 15, 17, 39, 41, 51, 65, 85, 123, 195, 205, 221, 255, 533, 615, 663, 697, 1105, 1599, 1613, 2091, 2665, 3315, 3485, 4839, 7995, 8065, 9061, 10455, 20969, 24195, 27183, 27421, 45305, 62907, 66133, 82263, 104845, 135915, 137105, 198399, 314535, 330665, 356473, 411315, 859729, 991995, 1069419, 1124261, 1782365, 2579187, 3372783, 4298645, 5347095, 5621305, 12895935, 14615393, 16863915, 43846179, 73076965, 219230895]

約数ペア:

[(1, 219230895), (3, 73076965), (5, 43846179), (13, 16863915), (15, 14615393), (17, 12895935), (39, 5621305), (41, 5347095), (51, 4298645), (65, 3372783), (85, 2579187), (123, 1782365), (195, 1124261), (205, 1069419), (221, 991995), (255, 859729), (533, 411315), (615, 356473), (663, 330665), (697, 314535), (1105, 198399), (1599, 137105), (1613, 135915), (2091, 104845), (2665, 82263), (3315, 66133), (3485, 62907), (4839, 45305), (7995, 27421), (8065, 27183), (9061, 24195), (10455, 20969)]