12215775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 25498368

約数和(自身を除く): 13282593

約数列:

[1, 3, 5, 11, 13, 15, 17, 25, 33, 39, 51, 55, 65, 67, 75, 85, 143, 165, 187, 195, 201, 221, 255, 275, 325, 335, 425, 429, 561, 663, 715, 737, 825, 871, 935, 975, 1005, 1105, 1139, 1275, 1675, 2145, 2211, 2431, 2613, 2805, 3315, 3417, 3575, 3685, 4355, 4675, 5025, 5525, 5695, 7293, 9581, 10725, 11055, 12155, 12529, 13065, 14025, 14807, 16575, 17085, 18425, 21775, 28475, 28743, 36465, 37587, 44421, 47905, 55275, 60775, 62645, 65325, 74035, 85425, 143715, 162877, 182325, 187935, 222105, 239525, 313225, 370175, 488631, 718575, 814385, 939675, 1110525, 2443155, 4071925, 12215775]

約数ペア:

[(1, 12215775), (3, 4071925), (5, 2443155), (11, 1110525), (13, 939675), (15, 814385), (17, 718575), (25, 488631), (33, 370175), (39, 313225), (51, 239525), (55, 222105), (65, 187935), (67, 182325), (75, 162877), (85, 143715), (143, 85425), (165, 74035), (187, 65325), (195, 62645), (201, 60775), (221, 55275), (255, 47905), (275, 44421), (325, 37587), (335, 36465), (425, 28743), (429, 28475), (561, 21775), (663, 18425), (715, 17085), (737, 16575), (825, 14807), (871, 14025), (935, 13065), (975, 12529), (1005, 12155), (1105, 11055), (1139, 10725), (1275, 9581), (1675, 7293), (2145, 5695), (2211, 5525), (2431, 5025), (2613, 4675), (2805, 4355), (3315, 3685), (3417, 3575)]