221519043

素因数分解:

$3^8\times {\mathrm{19}}^1\times {\mathrm{1777}}^1$

素因数の和:1820

約数の個数: 36

約数和(自身を含む): 349945960

約数和(自身を除く): 128426917

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 1777, 2187, 4617, 5331, 6561, 13851, 15993, 33763, 41553, 47979, 101289, 124659, 143937, 303867, 431811, 911601, 1295433, 2734803, 3886299, 8204409, 11658897, 24613227, 73839681, 221519043]

約数ペア:

[(1, 221519043), (3, 73839681), (9, 24613227), (19, 11658897), (27, 8204409), (57, 3886299), (81, 2734803), (171, 1295433), (243, 911601), (513, 431811), (729, 303867), (1539, 143937), (1777, 124659), (2187, 101289), (4617, 47979), (5331, 41553), (6561, 33763), (13851, 15993)]