217898983431

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{260213}}^1$

素因数の和:260380

約数の個数: 48

約数和(自身を含む): 340984425600

約数和(自身を除く): 123085442169

約数列:

[1, 3, 9, 19, 57, 59, 83, 171, 177, 249, 531, 747, 1121, 1577, 3363, 4731, 4897, 10089, 14193, 14691, 44073, 93043, 260213, 279129, 780639, 837387, 2341917, 4944047, 14832141, 15352567, 21597679, 44496423, 46057701, 64793037, 138173103, 194379111, 291698773, 410355901, 875096319, 1231067703, 1274263061, 2625288957, 3693203109, 3822789183, 11468367549, 24210998159, 72632994477, 217898983431]

約数ペア:

[(1, 217898983431), (3, 72632994477), (9, 24210998159), (19, 11468367549), (57, 3822789183), (59, 3693203109), (83, 2625288957), (171, 1274263061), (177, 1231067703), (249, 875096319), (531, 410355901), (747, 291698773), (1121, 194379111), (1577, 138173103), (3363, 64793037), (4731, 46057701), (4897, 44496423), (10089, 21597679), (14193, 15352567), (14691, 14832141), (44073, 4944047), (93043, 2341917), (260213, 837387), (279129, 780639)]