1681147251

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{145819}}^1$

素因数の和:145896

約数の個数: 32

約数和(自身を含む): 2893068800

約数和(自身を除く): 1211921549

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 1281, 1647, 3843, 11529, 145819, 437457, 1020733, 1312371, 3062199, 3937113, 8894959, 9186597, 26684877, 27559791, 62264713, 80054631, 186794139, 240163893, 560382417, 1681147251]

約数ペア:

[(1, 1681147251), (3, 560382417), (7, 240163893), (9, 186794139), (21, 80054631), (27, 62264713), (61, 27559791), (63, 26684877), (183, 9186597), (189, 8894959), (427, 3937113), (549, 3062199), (1281, 1312371), (1647, 1020733), (3843, 437457), (11529, 145819)]