64419225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{66071}}^1$

素因数の和:66097

約数の個数: 24

約数和(自身を含む): 114700992

約数和(自身を除く): 50281767

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 66071, 198213, 330355, 858923, 991065, 1651775, 2576769, 4294615, 4955325, 12883845, 21473075, 64419225]

約数ペア:

[(1, 64419225), (3, 21473075), (5, 12883845), (13, 4955325), (15, 4294615), (25, 2576769), (39, 1651775), (65, 991065), (75, 858923), (195, 330355), (325, 198213), (975, 66071)]