245964519

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2353

約数の個数: 40

約数和(自身を含む): 392388480

約数和(自身を除く): 146423961

約数列:

[1, 3, 9, 19, 27, 57, 71, 81, 171, 213, 513, 639, 1349, 1539, 1917, 2251, 4047, 5751, 6753, 12141, 20259, 36423, 42769, 60777, 109269, 128307, 159821, 182331, 384921, 479463, 1154763, 1438389, 3036599, 3464289, 4315167, 9109797, 12945501, 27329391, 81988173, 245964519]

約数ペア:

[(1, 245964519), (3, 81988173), (9, 27329391), (19, 12945501), (27, 9109797), (57, 4315167), (71, 3464289), (81, 3036599), (171, 1438389), (213, 1154763), (513, 479463), (639, 384921), (1349, 182331), (1539, 159821), (1917, 128307), (2251, 109269), (4047, 60777), (5751, 42769), (6753, 36423), (12141, 20259)]