28293073497

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{77731}}^1$

素因数の和:77831

約数の個数: 64

約数和(自身を含む): 48579390720

約数和(自身を除く): 20286317223

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 61, 117, 153, 183, 221, 351, 459, 549, 663, 793, 1037, 1647, 1989, 2379, 3111, 5967, 7137, 9333, 13481, 21411, 27999, 40443, 77731, 121329, 233193, 363987, 699579, 1010503, 1321427, 2098737, 3031509, 3964281, 4741591, 9094527, 11892843, 14224773, 17178551, 27283581, 35678529, 42674319, 51535653, 61640683, 80607047, 128022957, 154606959, 184922049, 241821141, 463820877, 554766147, 725463423, 1047891611, 1664298441, 2176390269, 3143674833, 9431024499, 28293073497]

約数ペア:

[(1, 28293073497), (3, 9431024499), (9, 3143674833), (13, 2176390269), (17, 1664298441), (27, 1047891611), (39, 725463423), (51, 554766147), (61, 463820877), (117, 241821141), (153, 184922049), (183, 154606959), (221, 128022957), (351, 80607047), (459, 61640683), (549, 51535653), (663, 42674319), (793, 35678529), (1037, 27283581), (1647, 17178551), (1989, 14224773), (2379, 11892843), (3111, 9094527), (5967, 4741591), (7137, 3964281), (9333, 3031509), (13481, 2098737), (21411, 1321427), (27999, 1010503), (40443, 699579), (77731, 363987), (121329, 233193)]