289787145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{27481}}^1$

素因数の和:27545

約数の個数: 32

約数和(自身を含む): 501271680

約数和(自身を除く): 211484535

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 3515, 10545, 27481, 82443, 137405, 412215, 522139, 1016797, 1566417, 2610695, 3050391, 5083985, 7832085, 15251955, 19319143, 57957429, 96595715, 289787145]

約数ペア:

[(1, 289787145), (3, 96595715), (5, 57957429), (15, 19319143), (19, 15251955), (37, 7832085), (57, 5083985), (95, 3050391), (111, 2610695), (185, 1566417), (285, 1016797), (555, 522139), (703, 412215), (2109, 137405), (3515, 82443), (10545, 27481)]