78942645

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1$

素因数の和:2854

約数の個数: 48

約数和(自身を含む): 148852080

約数和(自身を除く): 69909435

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 185, 255, 333, 555, 629, 765, 1665, 1887, 2789, 3145, 5661, 8367, 9435, 13945, 25101, 28305, 41835, 47413, 103193, 125505, 142239, 237065, 309579, 426717, 515965, 711195, 928737, 1547895, 1754281, 2133585, 4643685, 5262843, 8771405, 15788529, 26314215, 78942645]

約数ペア:

[(1, 78942645), (3, 26314215), (5, 15788529), (9, 8771405), (15, 5262843), (17, 4643685), (37, 2133585), (45, 1754281), (51, 1547895), (85, 928737), (111, 711195), (153, 515965), (185, 426717), (255, 309579), (333, 237065), (555, 142239), (629, 125505), (765, 103193), (1665, 47413), (1887, 41835), (2789, 28305), (3145, 25101), (5661, 13945), (8367, 9435)]