258818247

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3911}}^1$

素因数の和:3985

約数の個数: 40

約数和(自身を含む): 416549760

約数和(自身を除く): 157731513

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 387, 513, 817, 1161, 1539, 2451, 3483, 3911, 7353, 11733, 22059, 35199, 66177, 74309, 105597, 168173, 222927, 316791, 504519, 668781, 1513557, 2006343, 3195287, 4540671, 6019029, 9585861, 13622013, 28757583, 86272749, 258818247]

約数ペア:

[(1, 258818247), (3, 86272749), (9, 28757583), (19, 13622013), (27, 9585861), (43, 6019029), (57, 4540671), (81, 3195287), (129, 2006343), (171, 1513557), (387, 668781), (513, 504519), (817, 316791), (1161, 222927), (1539, 168173), (2451, 105597), (3483, 74309), (3911, 66177), (7353, 35199), (11733, 22059)]