64722987

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 113568000

約数和(自身を除く): 48845013

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 139, 171, 389, 399, 417, 973, 1167, 1197, 1251, 2641, 2723, 2919, 3501, 7391, 7923, 8169, 8757, 18487, 22173, 23769, 24507, 51737, 54071, 55461, 66519, 155211, 162213, 166383, 378497, 465633, 486639, 1027349, 1135491, 3082047, 3406473, 7191443, 9246141, 21574329, 64722987]

約数ペア:

[(1, 64722987), (3, 21574329), (7, 9246141), (9, 7191443), (19, 3406473), (21, 3082047), (57, 1135491), (63, 1027349), (133, 486639), (139, 465633), (171, 378497), (389, 166383), (399, 162213), (417, 155211), (973, 66519), (1167, 55461), (1197, 54071), (1251, 51737), (2641, 24507), (2723, 23769), (2919, 22173), (3501, 18487), (7391, 8757), (7923, 8169)]